Oh shit I'm surprised no one's mentioned
Condemned (and neither did I).
Okay it's an "FPS" but to be honest it's REALLY good. It's a different style (scary/horror type game). Also, it doesn't really fit the FPS mold all the way. The focus is on melee combat and you hardly use guns at all, so it was a "new" twist. The first one was a launch title for the 360 and was pretty much a sleeper hit. I really suggest it. Just try it.
Also, I'm going to third
Beautiful Katamari. I really don't understand some of your preferences. Not-serious = Handheld? You really make like no sense sometimes Izekeal. Just get it, it's not a very expensive game (what I think it's like $20 now) and it's got a lot of replay value if you get into it. It's just a quirky game that you should (most likely) fall in love with.
If you like racing, go for
Project Gotham Racing 3 or Project Gotham Racing 4. It's more...real racing, but yeah I hear it's pretty good. I had the 3rd one and I played it and I got out of it rather fast, but that's generally because I don't like racing games!
Do you like stuff like the Elder Scrolls? Because
Oblivion is for the 360 and it's pretty damn good. Like a lot of people loved it (then shortly after started talking about flaws because the trend went that way but w/e) but it's generally a really good Elder Scrolls game. Look it up!
Burnout: Paradise is claimed to be a REALLY good Burnout game so if you enjoy that, check it out.
Command & Conquer 3 is supposed to be a really well-done strategy game on the 360. It has relatively good ratings and people say it's fun so check it out?
I mentioned
Splinter Cell: Double Agent but I don't know if you said anything about it. It's a good game, I enjoyed it quite a bit. It's not as stealthy as its predecessors but you can still do your best to be stealthy in it. It's still fun!
Considering you weren't into GTA that much, I'm not sure how much you'll like it but... Check out
Saints Row. It's a pretty fun game, similar to the style of GTA but different in ways. Some people loved it (me etc.) and some hated it, so who knows? It has a sequel coming out this fall I believe.
Hitman: Blood Money is a good third-person stealth game. I haven't played it myself but I really want to some time. A lot of people think it's an awesome Hitman game. I really suggest you check this out too!
Bully: Scholarship Edition is a revamped edition of Bully, obviously! Bully is a really fun game from Rockstar but if you've already played it I don't think there's a LOT of incentive to buy this.
Lastly, if you like the music/rhythm games I know you've probably heard a lot of shit but maybe try
Guitar Hero? Or save up a shitload of money ($190) to buy
Guitar Hero: World Tour which comes out this fall, or
Rock Band 2, or something like that. They're shaping up to be pretty good.
TOP 5 RECOMMENDATIONSCondemned
Beautiful Katamari
Oblivion
Saints Row
Hitman: Blood Money
There we go. A lot haven't been mentioned here.
