That's still lga 1155, incompatible with your processor.
That processor isn't the best choice, the i7 3770k is a better choice.
I'd suggest this build: http://pcpartpicker.com/p/mIhg
It's above budget by about $150. I'm sure others can pull the price to within budget though.
Radeon 7970 GHZ @1.1
LGA 2011 MBO
32 GB of ddr3 RAM @1600 mhz
1 TB hard drive
23 inch monitor