Looks good.
If you swap the RAM to these you won't have to deal with 2 x rebate to save a few $.
A-Data XPG V1.0 8GB (2 x 4GB) DDR3-1600 $70
These are also an option, similar price as the 2 x 1x4GB but no rebate and faster overall:
G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 $81