Oh sure, it looks like some glorious Palm / HP Web OS tablets are headed our way (even if we are hearing it won't be until late summer / early fall), but you know what has been supposedly headed our way for over two months now? The HP Slate 500. Yep, HP's seemingly-abandoned Windows 7 tablet is still suffering from major delays, and according to our sources and an HP customer support rep, a "material shortage" combined with a "high volume of orders" are ca
