Originally Posted by Shugi
Now about SLI/Crossfire. It is always NOT worth it, if you can get same performance with a single GPU. It is due to the ineffiency and average FPS. I really don't want to go into detail so just take my word for it.
Doubling this up. The only reason you would SLI/Xfire is if you found some super amazing deal or have so much money, you'll stick 4 cards or something in just for shits and giggles.