Here ya go:
CPU/GPU combo - $249 shipped!! Quad core and good for the future!! GPU the best at this budget and has a LIFETIME warranty!!
AMD Athlon II X4 620 Propus 2.6GHz 4 x 512KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail
XFX HD-577A-ZNFC Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card - Retail
http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
Mobo - $88 shipped - $10 MIRc = $78!! One of the better boards at this price range!
GIGABYTE GA-MA770T-UD3P AM3 AMD 770 ATX AMD Motherboard - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
RAM - $94 shipped! One of the faster RAM sets that run on stock voltage (1.5v)!!
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Case - $60 shipped! Has 3 x 120 mm fans!! Great for cooling! Also looks tool-less!!
Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case ,comes with Three Fans-1x Front Blue LED 120mm Fan, 1x Top 140mm Fan, 1x Rear 120mm Fan, option Fans-2x Side 120mm Fan - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
PSU - $60 shipped! One of the better PSU's out there in this price range! 36A on the combined 12v rails and comes w/1 x 6 pin & 1 x 6+2 pin PCI-e power connectors for your GPU needs! I'ts also efficient too w/80-85% efficiency. Will allow plenty of room for upgrades later too!
BFG Tech GS-550 550W ATX12V V2.2 / EPS12V V2.8 SLI Ready CrossFire Ready Power Supply - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
A cheaper Case/PSU combo for $95 - $15 MIRc = $70!!
Rosewill Challenger case w/Corsair 400cx PSU w/ 30A on the 12v rail and 1 x 6 pin PCI-e power connector.
http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
HD - $55 shipped! One of the faster HD's in the price range and size!
SAMSUNG Spinpoint F3 HD502HJ 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
DVD Burner - $30 shipped! Comes with the software to read/burn DVD's!!
LITE-ON Black 24X DVD+R 24X DVD-R SATA Black 24X DVD Writer - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Monitor - $169 shipped! Plenty of options here, so I'm just listing 1 that I'd consider. If you want HDMI input you can add about $10 - $20 onto this LCD price.
Acer P224Wbd Black 22" 5ms Widescreen LCD Monitor 300 cd/m2 10000:1 (ACM) - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Total w/BFG PSU - ~$800 - $10 MIRc = $790!!!
Total w/Case/PSU combo = ~$790 - $25 MIRc = $765!!!
Now if you can get more PSU w/this combo:
Rosewill Challenger case w/Corsair 650tx PSU for $130 - $10 MIRc = $120!!
http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
With the combo above your total would be - ~$825 - $20 MIRc = $805!!!
It's up to you to decide which PSU/Case combo you like, but any of them will work for the build above!
This is a copy of a lower-end build. I'm working on a different one right now, but you get the picture with this one.