Filed under: Desktops, LaptopsWhen the clock strikes midnight on June 18th, Dell will discontinue its sales of XP systems. The move allows Dell to meet the imposed June 30th deadline which requires the industry to cease shipment of XP machines. That is, unless you're in the market for a netbook or nettop in which case Microsoft is happy for vendors to continue shipping XP in order to stifle Linux's penetration in