Yikes, I started pull films together for an initial list and I'm up to 180. This isn't going to be any easier.
Speaking of which, here's my initial 100,
1. The Shawshank Redemption (1994)
2. Eternal Sunshine Of The Spotless Mind (2004)
3. Sunrise: A Song Of Two Humans (1927)
4. Barton Fink (1991)
5. The Godfather (1972)
6. Letters From Iwo Jima (2006)
7. Road To Perdition (2002)
8. El Laberinto Del Fauno (Pan's Labyrinth, 2006)
9. Finding Neverland (2004)
10. WALL·E (2008)
11. Hotaru No Haka (Grave Of The Fireflies, 1988)
12. Marty (1955)
13. Eastern Promises (2007)
14. Sen To Chihiro No Kamikakushi (Spirited Away, 2001)
15. 2001: A Space Odyssey (1968)
16. Elephant (2003)
17. Tonari No Totoro (My Neighbor Totoro, 1988)
18. Casablanca (1942)
19. In The Bedroom (2001)
20. Paris, Texas (1984)
21. Chung Hing Sam Lam (Chungking Express, 1994)
22. Yi Yi (Yi Yi: A One And A Two, 2000)
23. A History Of Violence (2005)
24. Dr. Strangelove Or: How I Learned To Stop Worrying And Love The Bomb (1964)
25. C'era Una Volta Il West (Once Upon A Time In The West, 1968)
26. Ace In The Hole (1951)
27. A Clockwork Orange (1971)
28. Stroszek (1977)
29. All The President’s Men (1976)
30. Fantasia (1940)
31. Il Buono, Il Brutto, Il Cattivo. (The Good, The Bad And The Ugly, 1966)
32. High Fidelity (2000)
33. North By Northwest (1959)
34. The Wrestler (2008)
35. Babe (1995)
36. Before Sunset (2004)
37. Toy Story 2 (1999)
38. Great Expectations (1946)
39. Saving Private Ryan (1998)
40. Spider-Man 2 (2004)
41. Majo No Takkyûbin (Kiki's Delivery Service, 1989)
42. Da Hong Deng Long Gao Gao Gua (Raise the Red Lantern, 1991)
43. Snow White And The Seven Dwarfs (1937)
44. Up (2009)
45. Watchmen (2009)
46. American Beauty (1999)
47. Wendy And Lucy (2008)
48. Apollo 13 (1995)
49. Fargo (1996)
50. Mimi Wo Sumaseba (Whisper Of The Heart, 1995)
51. Der Untergang (Downfall, 2004)
52. Open Range (2003)
53. 28 Days Later… (2002)
54. Le Cercle Rouge (The Red Circle, 1970)
55. Låt Den Rätte Komma In (Let The Right One In, 2008)
56. Lone Star (1996)
57. The Green Mile (1999)
58. Annie Hall (1977)
59. Sunset Blvd. (1950)
60. Goodfellas (1990)
61. Aguirre, Der Zorn Gottes (Aguirre: The Wrath Of God, 1972)
62. Unforgiven (1992)
63. Mou Gaan Dou (Infernal Affairs, 2002)
64. The Man Who Wasn’t There (2001)
65. The Wind That Shakes The Barley (2006)
66. Braveheart (1995)
67. 12 Angry Men (1957)
68. Black Hawk Down (2001)
69. Fort Apache (1948)
70. The Illusionist (2006)
71. Unbreakable (2000)
72. Who Framed Roger Rabbit (1988)
73. The Third Man (1949)
74. Into The Wild (2007)
75. High Noon (1952)
76. Paranoid Park (2007)
77. Vertigo (1958)
78. To Kill A Mockingbird (1962)
79. Rashômon (1950)
80. Double Indemnity (1944)
81. One Flew Over The Cuckoo’s Nest (1975)
82. Anchorman: The Legend Of Ron Burgundy (Unrated) (2004)
83. The Iron Giant (1999)
84. Mononoke-hime (Princess Mononoke, 1997)
85. Die Bitteren Tränen Der Petra Von Kant (The Bitter Tears Of Petra Von Kant, 1972)
86. The Blair Witch Project (1999)
87. Sin City (Unrated) (2005)
88. The Rocketeer (1991)
89. Strangers On A Train (1951)
90. Halloween (1978)
91. Groundhog Day (1993)
92. The Sweet Hereafter (1997)
93. Manhattan Murder Mystery (1993)
94. Dark City (Director’s Cut) (1998)
95. Firzcarraldo (1982)
96. Star Wars: Episode V - The Empire Strikes Back (Special Edition) (1980)
97. The Piano (1993)
98. Yojimbo (The Bodyguard, 1961)
99. 4 Luni, 3 Saptamâni Si 2 Zile (4 Months, 3 Weeks And 2 Days, 2007)
100. Sling Blade (1996)