I used to 5 box on a XPS gen2 laptop with 2 gig of memory, this is an older model with a p4 2.0 ghz and a geforce go 6800 vid card. The only issues I had were in large cities with graphic rendering lag. The laptop now is 3 years old and use it when traveling. After several hours of 5 boxing it would get pretty hot, but the older xps had a poor cooling system design and it is supposed to be addressed in the newer m1710. The only real drawback I personally had with the gen2 is the weight and battery life, but alas it is a gaming rig and the closest thing to a desktop replacement.