Another option: Just leave things the way they are. There's no huge need to make iTunes 64Bit or Cocoa. Most of the features Apple has added to iTunes in the l

Another option: Just leave things the way they are. There's no huge need to make iTunes 64Bit or Cocoa. Most of the features Apple has added to iTunes in the last 3-4 years are just UI tweaks and some algorithms to make special types of playlists automatically. I don't think they're being constrained by Carbon or will be anytime soon. Being a native Cocoa app would probably improve some of iTunes performance issues but realistically those problems aren't that bad. I just don't see enough room for growth in iTunes to justify all the effort of porting Cocoa to Windows or iTunes to WebKit.