Microsoft Download Center, October 22 -- add that to your already-busy Windows 7 release party itinerary. That'll be the quickest and most painless way to enrich your hot new OS with the now finalized code for XP Mode, a virtualized Windows XP environment for those who just can't let go of their legacy software. The solitary hitch is that you'll need to have purchased a copy of Windows 7 Professional or higher to get in on the fun, but you already knew that, right? Oh, and
