Best answer: Mining Bitcoin with a GPU is no longer a profitable endeavor and your money is better spent on a dedicated ASIC miner.
Amazon: AntMiner S9i ($599)
[h=3]GPU Bitcoin mining has been surpassed for most people[/h]Mining Bitcoin is a harder task than it used to be. Unless you're going to build a serious rig with a lot of GPUs in it, it's not really worth the time.
Full story from the WindowsCentral blog...