The IDMb meme is where you post a copy of the top 250 films on IMDb and then highlight the ones you have seen. I saw this over on Neil Turner's blog so here's my list. The films I've seen are in bold, in italics are the ones I actually own on DVD or VHS.

1. The Godfather (1972)
2. The Shawshank Redemption (1994)
3. The Lord of the Rings: The Return of the King (2003)
4. The Godfather: Part II (1974)
5. Shichinin no samurai (1954)
6. Casablanca (1942)
7. Schindler's List (1993)
8. The Lord of the Rings: The Fellowship of the Ring (2001)
9. Citizen Kane (1941)
10. Star Wars (1977)
11. One Flew Over the Cuckoo's Nest (1975)
12. Pulp Fiction (1994)
13. The Lord of the Rings: The Two Towers (2002)
14. Star Wars: Episode V - The Empire Strikes Back (1980)
15. Rear Window (1954)
16. Buono, il brutto, il cattivo, Il (1966)
17. Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964)
18. The Usual Suspects (1995)
19. Raiders of the Lost Ark (1981)
20. Cidade de Deus (2002)
21. 12 Angry Men (1957)
22. Memento (2000)
23. Psycho (1960)
24. C'era una volta il West (1968)
25. Lawrence of Arabia (1962)
26. North by Northwest (1959)
27. Fabuleux destin d'Amélie Poulain, Le (2001)
28. Goodfellas (1990)
29. The Silence of the Lambs (1991)
30. Sunset Blvd. (1950)
31. It's a Wonderful Life (1946)
32. American Beauty (1999)
33. Eternal Sunshine of the Spotless Mind (2004)
34. Apocalypse Now (1979)
35. The Matrix (1999)
36. Paths of Glory (1957)
37. Fight Club (1999)
38. Vertigo (1958)
39. The Third Man (1949)
40. Sen to Chihiro no kamikakushi (2001)
41. To Kill a Mockingbird (1962)
42. Double Indemnity (1944)
43. Singin' in the Rain (1952)
44. Boot, Das (1981)
45. Taxi Driver (1976)
46. M (1931)
47. The Pianist (2002)
48. Rashômon (1950)
49. Se7en (1995)
50. All About Eve (1950)
51. The Maltese Falcon (1941)
52. The Bridge on the River Kwai (1957)
53. Requiem for a Dream (2000)
54. Monty Python and the Holy Grail (1975)
55. Chinatown (1974)
56. Some Like It Hot (1959)
57. L.A. Confidential (1997)
58. Léon (1994)
59. Saving Private Ryan (1998)
60. Alien (1979)
61. American History X (1998)
62. Modern Times (1936)
63. Mr. Smith Goes to Washington (1939)
64. The Treasure of the Sierra Madre (1948)
65. The Wizard of Oz (1939)
66. The Manchurian Candidate (1962)
67. The Sting (1973)
68. On the Waterfront (1954)
69. Kill Bill: Vol. 1 (2003)
70. Ran (1985)
71. Raging Bull (1980)
72. Amadeus (1984)
73. Vita è bella, La (1997)
74. Touch of Evil (1958)
75. The Great Escape (1963)
76. A Clockwork Orange (1971)
77. City Lights (1931)
78. Reservoir Dogs (1992)
79. The Apartment (1960)
80. Metropolis (1927)
81. 2001: A Space Odyssey (1968)
82. The Shining (1980)
83. High Noon (1952)
84. Jaws (1975)
85. Aliens (1986)
86. Finding Nemo (2003)
87. Annie Hall (1977)
88. Braveheart (1995)
89. Million Dollar Baby (2004)
90. Wo hu cang long (2000)
91. Fargo (1996)
92. Kill Bill: Vol. 2 (2004)
93. Oldboy (2003)
94. The Incredibles (2004)
95. Yojimbo (1961)
96. Blade Runner (1982)
97. Strangers on a Train (1951)
98. Donnie Darko (2001)
99. The Sixth Sense (1999)
100. The Princess Bride (1987)
101. Sjunde inseglet, Det (1957)
102. The Great Dictator (1940)
103. It Happened One Night (1934)
104. Before Sunset (2004)
105. Full Metal Jacket (1987)
106. Forrest Gump (1994)
107. Nuovo cinema Paradiso (1989)
108. The General (1927)
109. Terminator 2: Judgment Day (1991)
110. Mononoke-hime (1997)
111. Rebecca (1940)
112. The Philadelphia Story (1940)
113. Duck Soup (1933)
114. Ladri di biciclette (1948)
115. Butch Cassidy and the Sundance Kid (1969)
116. Smultronstället (1957)
117. The Best Years of Our Lives (1946)
118. The Big Sleep (1946)
119. Notorious (1946)
120. Ying xiong (2002)
121. The Graduate (1967)
122. Unforgiven (1992)
123. Once Upon a Time in America (1984)
124. The Deer Hunter (1978)
125. Patton (1970)
126. Lola rennt (1998)
127. Toy Story 2 (1999)
128. Hotel Rwanda (2004)
129. The Night of the Hunter (1955)
130. The Gold Rush (1925)
131. All Quiet on the Western Front (1930)
132. Star Wars: Episode VI - Return of the Jedi (1983)
133. The Elephant Man (1980)
134. Cool Hand Luke (1967)
135. Back to the Future (1985)
136. The Green Mile (1999)
137. Glory (1989)
138. Ben-Hur (1959)
139. Quatre cents coups, Les (1959)
140. Grande illusion, La (1937)
141. Bronenosets Potyomkin (1925)
142. Manhattan (1979)
143. Platoon (1986)
144. The Man Who Shot Liberty Valance (1962)
145. Gone with the Wind (1939)
146. Witness for the Prosecution (1957)
147. The Adventures of Robin Hood (1938)
148. Shrek (2001)
149. His Girl Friday (1940)
150. Indiana Jones and the Last Crusade (1989)
151. Ikiru (1952)
152. The African Queen (1951)
153. The Grapes of Wrath (1940)
154. The Searchers (1956)
155. Mystic River (2003)
156. Hotaru no haka (1988)
157. Die Hard (1988)
158. Amores perros (2000)
159. Bringing Up Baby (1938)
160. Life of Brian (1979)
161. A Christmas Story (1983)
162. The Wild Bunch (1969)
163. Big Fish (2003)
164. Stalag 17 (1953)
165. Charade (1963)
166. Gladiator (2000)
167. The Hustler (1961)
168. Sideways (2004)
169. Young Frankenstein (1974)
170. Arsenic and Old Lace (1944)
171. To Be or Not to Be (1942)
172. The Straight Story (1999)
173. The Killing (1956)
174. Hable con ella (2002)
175. Sunrise: A Song of Two Humans (1927)
176. A Night at the Opera (1935)
177. Nosferatu, eine Symphonie des Grauens (1922)
178. Passion de Jeanne d'Arc, La (1928)
179. Shadow of a Doubt (1943)
180. Spartacus (1960)
181. Magnolia (1999)
182. Monsters, Inc. (2001)
183. Lost in Translation (2003)
184. Harvey (1950)
185. Strada, La (1954)
186. Ed Wood (1994)
187. Sling Blade (1996)
188. Untergang, Der (2004)
189. The Terminator (1984)
190. Toy Story (1995)
191. Groundhog Day (1993)
192. The Lion in Winter (1968)
193. Finding Neverland (2004)
194. All the President's Men (1976)
195. The Day the Earth Stood Still (1951)
196. 8½ (1963)
197. Twelve Monkeys (1995)
198. Trainspotting (1996)
199. Festen (1998)
200. Laura (1944)
201. Roman Holiday (1953)
202. A Streetcar Named Desire (1951)
203. Brazil (1985)
204. The Conversation (1974)
205. The Insider (1999)
206. Trois couleurs: Rouge (1994)
207. Almost Famous (2000)
208. The Station Agent (2003)
209. Dogville (2003)
210. Gandhi (1982)
211. Stand by Me (1986)
212. Persona (1966)
213. Fanny och Alexander (1982)
214. Dog Day Afternoon (1975)
215. King Kong (1933)
216. The Exorcist (1973)
217. The 39 Steps (1935)
218. Stagecoach (1939)
219. Mulholland Dr. (2001)
220. Being John Malkovich (1999)
221. Who's Afraid of Virginia Woolf? (1966)
222. Rain Man (1988)
223. Pirates of the Caribbean: The Curse of the Black Pearl (2003)
224. Rio Bravo (1959)
225. The Big Lebowski (1998)
226. Judgment at Nuremberg (1961)
227. Per qualche dollaro in più (1965)
228. Bride of Frankenstein (1935)
229. The Thin Man (1934)
230. 21 Grams (2003)
231. Sullivan's Travels (1941)
232. Kind Hearts and Coronets (1949)
233. Snatch. (2000)
234. This Is Spinal Tap (1984)
235. Barry Lyndon (1975)
236. In the Heat of the Night (1967)
237. Lock, Stock and Two Smoking Barrels (1998)
238. Diarios de motocicleta (2004)
239. Miller's Crossing (1990)
240. Network (1976)
241. Garden State (2004)
242. Spider-Man 2 (2004)
243. Bonnie and Clyde (1967)
244. Midnight Cowboy (1969)
245. The Last Picture Show (1971)
246. Red River (1948)
247. Fa yeung nin wa (2000)
248. Da hong deng long gao gao gua (1991)
249. The Right Stuff (1983)
250. Kumonosu jô (1957)

Seen 79, own 31. Not bad, but could be better. :)

I've also seen 14 of the Bottom 100, probably something I shouldn't be proud of.