Thanks for the replies. I won't base what performance I could get on this alone, but this video shows SMG running on a PC with lower specs than I mentioned just fine: http://www.youtube.com/watch?v=VHDgl5kubxI
If I can get the extra money, I will upgrade to the 3570k, but the chances of me getting the money don't seem very high.
If I can get the extra money, I will upgrade to the 3570k, but the chances of me getting the money don't seem very high.