I just replaced my Radeon 7500 with a Radeon 9600 Pro from OWC. I haven't "felt" a performance gain at all, and framerates in RtCW and Call of Duty are unchanged. XBench scores are down on the Quartz and OpenGL tests by around 20 points. Weird. I haven't run Cinebench yet, so maybe I'll see better performance there. I wasn't expecting to see much of an increase in performance from the card until my 1.4 GHz processor upgrade and 512MB DIMM arrives (they're on the way), since the CPU and RAM are big bottlenecks at the moment, but why would scores go down? After putting the card in I repaired permissions & ran fsck, then did an "archive and install" of Panther. ATI displays recognizes the card correctly too. It works fine, just not better...yet (come on FedEx).