This got a bit lost amid all the WWDC 2011 hubbub earlier this week, but Apple quietly delivered a bit of bad news to steadfast Windows XP users with its iCloud announcement. Unlike its MobileMe service and recent versions of iTunes, which have somewhat surprisingly supported Windows XP all this time, use of Apple's iCloud service on a PC will require either Windows Vista or Windows 7. Of course, XP users shouldn't feel too bad about being left behind -- as TUAW notes, Apple's only extended support for the Mac version of iTunes 10.3 back to OS X 10.5, which was just released in 2007 (when Windo
