First build.. Compatibility?

It all works

The 560ti is an out dated graphics card . For less $ you can have a Radeon 7850 that performs better
You only need a 500 watt psu too

Windows 8 instead of 7 too

Get this

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($219.99 @ Newegg)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($114.99 @ Microcenter)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($40.98 @ NCIX US)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ NCIX US)
Video Card: HIS Radeon HD 7870 2GB Video Card ($209.99 @ Newegg)
Case: Corsair 300R ATX Mid Tower Case ($67.41 @ Mac Connection)
Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($53.99 @ NCIX US)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($22.98 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $890.30
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-01-21 22:00 EST-0500)

Before you oc the cpu you need to add a cpu cooler like the cooler master hyper 212 evo.