right... lets see now.. arguements aside in statements by the companies..how many poly's shifted and how fast..how many megawosits we run at etc... it comes down the to following. Does it run OpenGL to an acceptable Standard? Is it within your budget? when boiled down to those important points, then either ATI or Nvidia will do, so look for what extras are being offered on the card in your budget range and what Ram size it's got ... trust me.. you won't, with the naked human eye, notice much of a dfference.