I don't usually install Beta program on production computers,, but I took the chance with one system and installed Win XP SP2 Beta 2055 on it, and "WOW" what a difference,, all kind of Network issue and hibernation/ standby , conectivity, I.E problem has gone away,,, well... I have installed it on more them one system now and I see better performance from the computers

,, anyway, just wanted to share that with you:
List of fixed issues in SP2 Beta 2055:
http://support.microsoft.com/common/...MaxResults=500
cheers