You should be using stratum.bitcoin.cz:3333
It finally worked! But now it's not recognizing both my cards...
I'm running a GTX460 and HD7950 at the same time.
It's mining off only off the GTX460 right now. Also my screens have been flickering since I turned on the miner which is even stranger because the screens are off the 7950 which the program doesn't even recognize