First Build, Opinion on component choice is appreciated

Hello,
My budget is $1000 and under and I'm making a general use computer that can handle some intense gaming, like Battlefield 3. My main concern is if the motherboard is sufficient. I will probably overclock at some point but otherwise I do not know what to look for in a motherboard. As a side not, I will be using two hard drives mirroring each other. Thanks
Components:
GIGABYTE GA-Z68A-D3H-B3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

EVGA 01G-P3-1460-KR GeForce GTX 560 (Fermi) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

Intel Core i7-2600K Sandy Bridge

2 x SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

LG DVD Burner Black SATA Model GH24NS70 - OEM

PC Power and Cooling Silencer Mk II 500W High Performance SLI CrossFire ready Power Supply

G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory

Thanks