IGN is putting together a list of their top 100 RPG's of all time, completing the list by Sept 14th. I will update this as more games are released...
100. Ys Book I and II
99. Lunar: Eternal Blue
98. Shadow Hearts: Covenant
97. Final Fantasy VIII
96. Phantasy Star
95. The Legend of the Dragoon
94. Vagrant Story
93. Tales of Phantasia
92. Diablo III
91. Fable II
90. Shin Megami Tensei: Persona 4
89. Fallout: New Vegas
88. Final Fantasy IX
87. Lufia II: Rise of the Sinestrals
86. Shadowrun
85. Breath of Fire III
84. Kingdom Hearts
83. Fire Emblem
82. Might and Magic VI: The Mandate of Heaven
81. Dragon Warrior VII
80: Dungeon Master
79: Icewind Dale 2
78: The Witcher 2: Assassins of Kings
77: Tales of Symphonia
76: Illusion of Gaia
75: Front Mission 3
74: Wizardry 8
73: Final Fantasy
72: Grandia II
71: The Bard's Tale
70: Demon's Souls
69: Shin Megami Tensei: Persona 3
68: Kingdom Hearts II
67: Final Fantasy Tactics Advance
66: Mario & Luigi: Partners in Time
65: Paper Mario: The Thousand Year Door
64: Final Fantasy X
63: Skies of Arcadia
62: The World Ends With You
61: Chrono Cross
60: EVE Online
59: Phantasy Star IV
58: Freedom Force
57: Mass Effect 2
56: Tactics Ogre: Let Us Cling Together
55: Monster Hunter Tri
54: Neverwinter Nights 2
53: Ultima VII: The Black Gate
52: Odin Sphere
51: Wild Arms
50: Golden Sun
49: Dragon Quest V
48: Tales of Destiny
47: Xenogears
46: Pool of Radiance
45: Disgaea
44: Suikoden II
43: Valkyria Chronicles
42: Lunar: Silver Star Story
41: Xenoblade Chronicles
40: Ogre Battle: March of the Black Queen
39: Ultima Underworld: The Stygian Abyss
38: Phantasy Star II
37: Guild Wars
36: Shining Force II
35: Pokémon Black & White
34: Fallout
33: Ultima Online
32: The Elder Scrolls III: Morrowind
31: Neverwinter Nights
30: Jade Empire
29: Dragon Warrior/Quest
28: Fallout 2
27: Dragon Quest VIII
26: Ultima IV: Quest of the Avatar
25: Deus Ex
24: Baldur's Gate
23: Phantasy Star Online
22: The Elder Scrolls IV: Oblivion
21: Super Mario RPG: Legend of the Seven Stars
20: EverQuest
19: System Shock 2
18: Dark Souls
17: EarthBound
16: Diablo
15: Secret of Mana
14: Final Fantasy Tactics
13: Planescape: Torment
12: Star Wars: Knights of the Old Republic
11: Final Fantasy VII
10: Fallout 3
9: Mass Effect
8: World of Warcraft
7: The Elder Scrolls V: Skyrim
6: Diablo II
5: Final Fantasy IV
4: Pokémon Red/Blue
3: Baldur's Gate II: Shadows of Amn
2: Chrono Trigger
1: Final Fantasy VI
Updated as they release daily..
http://ca.ign.com/top/rpgs