Unless you're planning to add a second GTX660 in SLI, you could run that on a 500W-550W PSU, so you can save a little money there.
Get a Xigmatek Gaia (found in testing over at Frostytech to be superior to the Crappermaster Hyper 212+ and similar but quieter than the EVO variant) to cool it if you are interested in overclocking. If you aren't (and you need not feel compelled to), you can get an i5-3470 instead to save some more money, in which case the stock cooler should be sufficient. That's a good choice on the HDD; the only models to retain five year warranties. It's also fast (for a HDD). You might use some of the money saved to get a GTX660Ti, HD7870, or HD7950.
Edit: Oops, missed that you've already ordered. Well then, it's a nice rig, although as indicated I would probably have chosen a stronger graphics card, but it's not a great big deal. The PSU offers plenty of headroom for future upgrades, and everything is compatible.
Yeah I already bought the case , gpu, cpu, psu, windows, and monitor. I know the psu is too much but at the time on new egg a tx750 was 5 dollars cheaper than the tx650 so I went with it. And wait the coolermaster isn't a good case? I wont be overclocking so long as I can play on game on mid to high settings. Is the stock cooler enough on the 3570k and gtx660?