This sounds like a prebuilt setup, Cyberpower or IBuypower. Don't get a factory-OCed processor. You can do it yourself very, very easily.
Get a 750W PSU. That's plenty for two 7970s.
it is pre built dont know enough do it myself..and ibuypower..ok yeah the site says i need 850 so thats whyi went with that..and ill get rid of the over clocking thanks.