Two Graphics Cards?

I think i've seen somewhere that you can connect two graphics cards together to work in parallel. Dramatically increase your graphics capabilities, or something.

Is there truth in this? If so, any good articles? Links? How-To's?

>>6
Think again. You need identical cards and often identical firmwares. There's no guarantee that even if you buy the same model of card at some later date that it will be identical to the earlier one (manufacturers often make revisions), which could cause you problems. It's better to buy them both at the same time.