Good and cheap Pci-e 3.0 mobo, lga 1155, sli compatible

[001theracer]

Hello everyone,
I am about to build a new gaming rig. I really don't know too much about motherboards, so, i would be needing your opinions.

My current specs:

GPU: ? (any worth buying pci-e 3.0 gpu, your thoughts) SLI, Crossfire or a single GPU ?
Processor: i7 2600k
Memory: Corsair Vengeance 8GB (2 x 4)
Mobo: ?
PSU: Cooler master GX series 750 watts
Case: Cooler Master HAF 932

THANKS!

 

[001theracer]

Somebody help me plz....

 

[mfarlow]

It would help if you gave an idea of your price range.