I just purchased the MSI NGTS450 cyclone graphics card, and spent an hour debating with a sales person about the ability of my rig to handle the card. I have a stock FX7020, and the old card was an 8800 gt. The issue was my power supply. Its currently 400w. I'm on a tight budget, and I really didn't want to spend a lot, but if I'm buying a new card, I want an improvement in performance. He pretty much told me I'd have to get a WORSE card than my old 8800gt which made no sense.