I love RPG's. western ones specially. Never really have gotten into japanese ones either though. But for some reason I hate Elderscrolls. I know people get mad when I say that, and I can list all the reasons but I digress.
Fallout 3 is an amazing RPG, I love it. You might want to check that out. Fallout new vegas might be worth checking out if you can get the complete edition for cheap… but I didnt like too much. it seemed just like an expansion to fallout 3 rather than a full game in itself. And it didnt have the soul of fallout 3, it had too many empty meaningless quests that lacked the depth and gravitas of fallout 3. or at least it felt that way to me.
Anything bioware makes is great for the most part though they seem to have a knack for disappointing sequels. Dragon age I is awesome, dragon age II is over rated and feels half-assed and incomplete. For example, just notice that every house you go into will have the same default layout and background, so does every mountain path you travel, even cave you explore... the only difference is that they block off certain doors in each setting to artificially make it different. Enough said.
Knights of the old republic was for the original xbox but its freaking awesome, same or maybe even more shocking twist as in bioshock, its worth playing. Mass effect, I loved. But the ending sucks, and I can go on a rant about how it ruined my life but I will spare you. Needless to say, 1 and 2 were still awesome.
An extremely underrated RPG that you can probably get for real cheap is Alpha protocol. It has gotten bad reviews, but I loved it. But I find that it is a hit or miss with people. Reminds me of mass effect 1 meets splinter cell conviction.