800-900 € Bang/Buck Ratio First Time Builder

Hey folks, building for the first time, and while I've done some reading and think this should work, I want to make sure I'm (a) getting good value for money and (b) not choosing any parts that are incompatible or are going to bottleneck one another. Advice/comments welcome and gratefully accepted!

The box will be running Linux, perhaps even being turned into a hackintosh down the road.

APPROXIMATE PURCHASE DATE: Over the next 1-2 months.

BUDGET RANGE: 800-900 €

SYSTEM USAGE FROM MOST TO LEAST IMPORTANT: Gaming, movies/multimedia

PARTS NOT REQUIRED: Keyboard, mouse, monitor, speakers, OS, wireless networking

PREFERRED WEBSITE(S) FOR PARTS: computeruniverse.net and amazon.de (living in Germany so prefer sites based there to keep shipping costs down)

COUNTRY OF ORIGIN: Germany

PARTS PREFERENCES: nvidia graphics, as these are meant to be significantly better-compatible with Linux.

OVERCLOCKING: Maybe, totally open to it

SLI OR CROSSFIRE: N/A

MONITOR RESOLUTION: 1920x1080

ADDITIONAL COMMENTS: I'd like to err on the side of using less power where possible.

------------

The build so far:

Case MS-Tech CA-0300 Hornet schwarz/rot
computeruniverse.de 90372337 -- 49.90 €

Power Corsair TX-Series 650W
computeruniverse.de 90250583 -- 89.50 €

Cooling Scythe SCSMZ-2000 Samurai ZZ (AM3 Socket)
computeruniverse.de 90361955 -- 25.90 €

Motherboard GIGABYTE GA-880GMA-UD2H Sockel AM3 mATX
computeruniverse.de 90381134 -- 91.90 €

Processor AMD Phenom II X3 720BE (2.8GHz, 7.5 MB Cache, AM3)
amazon.de B001R84CGW -- 110.10 €

Memory DDR3 6GB Corsair XMS3 Kit
computeruniverse.de 90305113 -- 160.90 €

Graphics GIGABYTE GeForce GTX460 OC-Edition
computeruniverse.de 90385158 -- 210.90 €

Hard Drive Western Digital Caviar Green 1.0TB
computeruniverse.de 90359694 -- 67.90 €

Optical Drive LiteOn IHAS424-32 schwarz
computeruniverse.de 90336427 -- 26.90 €

Total 833.90 €