Beautiful Katamari was released for the 360 last Thursday. I didn't pick up a copy when it first came out (and it turns out that the local Fred Meyer didn't have one in stock on Sunday night) but Layla read my thoughts and snagged one from some local game store on Monday. Apparently I am that transparent.
Great game; and so far, so nutty. The fact that it's 360-only is sortof driven home in the level where you're supposed to pick up "cool" items. Most of said "cool" items are 360 consoles and controllers.

...bitchass...
Sorry, I haven't had a chance to add a "bitchass" to any of my Katamaris yet.
I played the demo on Xbox Live. I got that 'wtf are you doing' look from Belinda when she saw me play the game. Honestly, for the first 15 minutes I had no idea what I was doing, but it looked damn cool.
Yeah, it's nutty as all hell, but really fun. Katamari Damacy was a surprising hit when it came to the US for the PS2.