What could I run?

I have three questions: Would these parts be compatiable, what would they be able to run and could I fit a Cooler Master Hyper Evo into the case?

PNY Optima 8 GB (2 x 4 GB) PC3-10666 1333MHz DDR3 Desktop DIMMs Memory Kit MD8192KD3-1333

AMD CPU HDZ955FBGMBOX Phenom II X4 955 Black Edition 3.2GHz AM3 125W Retail

ASRock Socket AM3+/AMD 760G/DDR3/SATA3&USB3.0/A&V&GbE/MicroATX Motherboard 960GM/U3S3 FX

XFX Core Edition HD7850 860MHz 1GB DDR5 2x Mini DisplayPort/HDMI/2xDVI Graphics Card FX785AZNL4

Seagate Barracuda 7200.12 ST31000524AS 1 TB 3.5" Internal Hard Drive (ST31000524AS)

Corsair Builder Series CX 500 Watt ATX/EPS  80 PLUS (CX500)

ASUS VS197D-P 18.5-Inch HD LCD Monitor

NZXT Technologies SOURCE 220 CA-SO220-01 Matt Steel Mesh Front Mid Tower Case with USB 3.0

Thanks for any help! If you can, could you suggest some upgrades but keep in mind my budget is $900 including monitor and OS.

http://pcpartpicker.com/p/S4wa

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($119.99 @ Microcenter)

Motherboard: ASRock 990FX Extreme3 ATX AM3+/AM3 Motherboard ($119.99 @ Newegg)

Memory: G.Skill Sniper Series 8GB (2 x 4GB) DDR3-1866 Memory ($62.68 @ NCIX US)

Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($76.98 @ SuperBiiz)

Video Card: Sapphire Radeon HD 7870 XT 2GB Video Card ($234.99 @ Newegg)

Case: Zalman Z11 ATX Mid Tower Case ($55.20 @ NCIX US)

Power Supply: Corsair Builder 600W 80 PLUS Bronze Certified ATX12V Power Supply ($54.99 @ Newegg)

Monitor: Asus VE247H 23.6" Monitor ($159.99 @ Newegg)

Total: $884.81

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