JRPGs from your list I'd recommend Lost Oddysey and Tales (traditional JRPG and great story telling, respectively).
WRPG is a tough one...all 4 were helluv fun. ...ARGH... Fable 2 (easily accesible and can be played in short stints). maybe.
I LOVE freaking Gears 1, but from your intro I'd recommend Bioshock (great atmoshphere).
If you like ANY of Sid Meier's Civilization games, Civ: Revolution is really a great, easier version of those games.
Too bad you don't like online shooters though, Left 4 Dead and Gears 2 are going to rock. Hope you enjoy your 360 though, I love mine!








