I don't have a PS3 YET. But yeah all GH3 controllers are gunna be wireless. There's no GH2 forum for Xbox 360. But once GH3 comes out there'll probably be topics for it in PS3 PS2 360 and Wii, because those are the systems it's coming out for.
Good bye everyone, it's been fun!
Special thanks to ED_, superman4u, and Cross Stinger
Credit for the Siggy goes to shadow slayer