my old rig(only office user,onboard vga) will be give to my nephew whom like gaming a lot, i decided buy used card to make an improvement.. there are 2 used card, msi Hawk gtx460 & GB gtx 560 OC with great condition & the 560 oc just a little bit pricey(cost $25 than 460 hawk).. which 1 i shall choose?? thank you