I've been looking at buying the ATI Radeon 4870 from a retailer such as NewEgg as I can get more video RAM and a cheaper price. However, I am concerned as there are PCIe power leads on the card that require hookups directly from the PSU. Has anyone bought a card that wasn't from Apple and had it work in their Mac Pro / can anyone help me out with this? It is an Early 2008 model Mac Pro.