Ok this build give you a CPU with HT that will be better for ( Photoshop and some rendering, as well as video editing and 3D rendering ) the other stuff you like to do besides gaming, and will allow for a 2nd HD 5870 down the road if you like and OCing
Sony Optiarc 24X DVD/CD Rewritable Drive Black SATA Model AD-7240S-0B - OEM
Item #: N82E16827118030
Return Policy: Limited Replacement Only Return Policy
Protect Your Investment (expand for options)
Service Net Replacement Extended Warranty Plan
The product will be replaced and shipped directly to you at no charge(more info)
• 1 year: $6.99
• 2 year: $11.99
$24.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16827118030
COOLER MASTER HAF 922 RC-922M-KKN1-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case - Retail
Item #: N82E16811119197
Return Policy: Standard Return Policy
-$10.00 Instant
$109.98
$99.98
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119197
SAPPHIRE 100281SR Radeon HD 5870 (Cypress XT) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video ... - Retail
Item #: N82E16814102856
Return Policy: VGA Replacement Only Return Policy
Protect Your Investment (expand for options)
Service Net Replacement Extended Warranty Plan
The product will be replaced and shipped directly to you at no charge(more info)
• 1 year: $39.99
• 2 year: $79.99
$409.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102856
CORSAIR CMPSU-850HX 850W ATX12V 2.3 / EPS12V 2.91 80 PLUS SILVER Certified Modular Active PFC Power Supply - Retail
Item #: N82E16817139011
Return Policy: Standard Return Policy
-$20.00 Instant
$199.99
$179.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139011
G.SKILL ECO Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBECO - Retail
Item #: N82E16820231321
Return Policy: Memory Standard Return Policy
$119.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231321
ASUS P7P55D-E Pro LGA 1156 Intel P55 SATA 6Gb/s USB 3.0 ATX Intel Motherboard - Retail
Item #: N82E16813131621
Return Policy: Limited Replacement Only Return Policy
$189.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131621
Intel Core i7-860 Lynnfield 2.8GHz LGA 1156 95W Quad-Core Processor Model BX80605I7860 - Retail
Item #: N82E16819115214
Return Policy: CPU Replacement Only Return Policy
-$10.00 Instant
$289.99
$279.99
1
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115214
Intel Gift - INTEL LYNNFIELD KIT - OEM
Item #: N82E16800995081
Return Policy: CPU Replacement Only Return Policy
-$39.99 Saving
$39.99
$0.00
COOLER MASTER Hyper 212 Plus Intel Core i5 & Intel Core i7 compatible RR-B10-212P-G1 120mm "heatpipe direct contact" Long ... - Retail
Item #: N82E16835103065
Return Policy: Standard Return Policy
$29.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16835103065
Subtotal: $1,334.91
You could even get away with this PSU with 2 HD 5870
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006 the other is nice with add on cables for a cleaner build but not a must