According to this Microsoft Press Pass posting, Microsoft is planning to sell Windows XP for 5 months longer than originally planned. "In an effort to respond to feedback the company is hearing from its customers and partners, Microsoft is extending availability of Windows XP editions among original equipment manufacturers (OEM) and retail channels for an additional five months to June 30, 2008.", the release says. Also, "...there are some customers who need a little more time to make the switch to Windows Vista." It's a bit of a back peddle on Microsoft's part, as their official policy is to sell a Windows product through their retail and direct OEM partners for four years after they ship.