What speed are you using and which wireless unit? IF you are using the "Turbo" mode - you can ALWAYS expect problems because of it's architecture and the likelyhood of interference for "outside" sources on wither of...
Mostly due to over-driving the RAM speed to a speed that is not really very compatable with the GPU speed. The setting must match to avoid problems and the Sager/Clevo defaults ARE NOT the best settings for the unit.
Most times,...
WSXGA @ 1280x800??? That is something that you may have real problems finding in a Wide Screen Laptop. I think that is 4x3 resolution and is not a widescreen 16x10 resolution. The WXGA is very readable - you need to "check it...