My New Build Conformations

Syassawi

Distinguished
Jan 2, 2012
26
0
18,530
Canada Place
Case Coolermaster HAF922 $74.99 Canada Computer
Power Supply Corsair TX650 Watt $60.00 Friends Office
Motherboard Asus Sabertooth P67 $199.99 Canada Computer
CPU Intel i7 2600k 3.4ghz $279.99 Amazon
RAM GSkill Sniper 2x4GB $39.99 Canada Computer
Hard Drive I have a Hard Drive
Optical Drive LG Sata DVD $16.99 Canada Computer
Video Card 550 TI $139.99

Is this a good build, and is it all combatible and would you replace anything for cheaper or better?
Im also overclocking to 4.0-4.2 ghz with a cooler master 212 evo.
Thanks