Philipp 6 Posted September 2, 2001 It´s not too early to start comparison-shopping for Microsoft´s new operating system, as at least one retailer has already marked down Windows XP. Costco.com, the Web unit for members-only discount retailer Costco, is taking preorders for the upgrade version of Windows XP Professional for $184.99--$15 below Microsoft´s list price. Read more Share this post Link to post