700$ Gaming PC Help

Intel Core i5-2500 Sandy Bridge 3.3GHz (3.7GHz Turbo Boost)
220$

ASRock P67 PRO3 SE LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
95$

SAPPHIRE 100314-3L Radeon HD 6870 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card
170$


Mushkin Enhanced Blackline 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model 996995
40$

COOLER MASTER HAF 912 RC-912-KKN1 Black SECC/ ABS Plastic ATX Mid Tower Computer Case
60$

Western Digital Caviar Blue WD5000AAKX 500GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
90$

Antec BP550 Plus 550W Continuous Power ATX12V V2.2 80 PLUS Certified Modular Active PFC Power Supply
65$

ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner - Bulk - OEM
21$

Total: 750$

This is my first build. I was wondering if it looked like a good build for the money and if there was room for any improvement. I was actually trying to get the price sub 700$ with around the same performance if possible if anyone can mix and match to save a few dollars i would greatly appreciate it.

Edit: I made a few minor changes you can see here https://secure.newegg.com/WishList/MySavedWishDetail.as... still looking for anyroom to lower price a little more