Just before i buy my build, anyone have any last minute suggestions

cutebeans

Distinguished
Hi, everything is compatible but I would advise against getting Powercolor since they aren't really well known for their quality.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($189.99 @ Microcenter)
Motherboard: ASRock Z77 Pro3 ATX LGA1155 Motherboard ($89.99 @ Amazon)
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory ($47.99 @ Newegg)
Storage: Samsung 840 Series 120GB 2.5" Solid State Disk ($93.99 @ Adorama)
Video Card: Sapphire Radeon HD 7950 3GB Video Card ($295.66 @ Newegg)
Case: NZXT Source 220 ATX Mid Tower Case ($49.99 @ Amazon)
Power Supply: Rosewill Green 530W 80 PLUS Certified ATX12V / EPS12V Power Supply ($44.99 @ Newegg)
Optical Drive: Samsung SH-224BB DVD/CD Writer ($15.99 @ Newegg)
Total: $828.59
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-02-07 20:08 EST-0500)

I changed a few things as well. :) The CM case is nice but it's obsolete.

But to answer your original question yes everything is compatible.