I recently purchased a motherboard/processor combination with on-board video. The motherboard works great, but unfortunately it has only a PCI slot and no PCI-Express. I am pleased with my purchase, but I'd like to upgrade the video capabilities. I'd like to spend around $100 and I was wondering if anyone had any suggestions on a decent card for gaming (Mass Effect, Crisis, etc.). Obviously, I'm looking for a Video card to play these games on low to medium settings. Thanks for any input in advance.