LOL. ok this thread gave me a good laugh.
It's a pretty safe assumption that if he has a full system already with sli 760, looking to upgrade and is asking if 750W is enough that he is talking about his current PSU. No wild leaps there =). Thanks for the informative links Derza but you should not entertain such stupidity from other people for so long
evgalover, for the sake of all other users who enjoy this forum please don't argue with conviction but no fact, it's just foolish and it misguides people. Provide something tangible at least =)