My mates rig got me thinking, do you really need to spend a lot as a casual gamer? My mate spend 30 quid on an Asrock n68-s ucc mb and a sempron 140 plus an ati 4550 gfx card and it plays games like mw2 and bad company 2 very well, though game detail is low. Is there a need for exspensive systems unless you better looking games?