Looking to upgrade the current Intel T4200 cpu (2.0ghz, 800mhz FSB and 1 MB L2 cashe) in my new HP G70 258US laptop. What is the fastest Intel CPU that can be used??? Considering purchasing an Intel T6500 CPU (2.1ghz, 800mhz FSB and 2MB L2 cashe)for the upgrade. Can anytell me if this CPU will work without any other system mods.??? Anyone attempted this particular upgrade on this laptop model???