1200$ Gaming rig (nographic)

[BairyHalls]

I recently bought a Radeon HD 6950 very cheap from a friend. i got 1200$ to spend on the rest.
What would you guys recommend?
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what i have in mind

Processor: Intel i5-3570k
Motherboard :Msi Z77A-G45
Video card: XFX Radeon HD 6950
Ram: Corsair Vengeance 2 x 8 GB
Power supply: Corsari CX750M
Cooler: Noctua NHU14S
Harddrive: Samsung 840 EVO MZ-7TE120 120 GB
Case: NZXT 410

Is this a stupid idea?

 

[BairyHalls]

Made some changes to that..

Core: Intel i7-4770k
Motherboard :Msi Z87-G45 gaming
Video card: XFX Radeon HD 6950
Ram: Corsair Vengeance 2 x 8 GB
Power supply: Corsari CX750M
Cooler: Noctua NHU14S
Harddrive: Samsung 840 EVO MZ-7TE120 120 GB
Case: NZXT 410

Will this work? Any thoughts at all?