Quote Originally Posted by remanz View Post
If GTX 780 comes out and it is 20% faster than GTX680, and it sells at $700, I will just keep Titan.
The GTX 780 won't be faster than the current GTX Titan because it's meant to replace the GTX 680. It's also rumored that the current GTX Titan will end up dropping to ~$800 and there will be a new, and better, GTX Titan Ultra (with a little less memory).