Found this over on Apple's site this morning but could not post as Neowin was down :(
iPod for Windows - Good news for the millions of Windows users who own PCs with built-in FireWire (also known as i.LINK and IEEE1394): In response to insistent demand from PC users, the world's best MP3 player now does Windows.
iPod fully integrated with the award-winning PC media player — MUSICMATCH Jukebox Plus. So every song you add or playlist you create will automatically transfer to your iPod.
Requirements: iPod for Windows requires a PC with built-in FireWire or a Windows-certified FireWire card and Windows Me, Windows 2000, or Windows XP Home or Professional.
News source: Apple.com (or 1-800-MY-APPLE) - iPod for Both Mac AND Windows