I'm not that big of an RPG gamer but I still got a few favorites...
1. Diablo II
2. Diablo II: LOD expansion pack
3. Kingdom Hearts 1
4. Demon's Souls
5. Champions: Return to Arms
6. Champions of Norrath
7. Baldure's Gate: Dark Alliance
9. Legend of Dragoon
10. Xenosaga Episode 1
Yeah, I'm mainly into action RPG.