im runnin a ge force fx 5200 right now and im planning on getting either a ge force 4 ti 4600 or a ge force fx 5200 ultra. any ideas? also i would like to ask if i would have to un-install any drivers from the fx 5200 so the new card would work properly. i have the newest det drivers and the ones that came with the card. which should i un-install if any? thx.