motherboard worth a price ?

Solution
You need a Z77 board.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157297

ASRock Z77 Pro3 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

$84.00

I have the 2500k + Z77 Pro3..I overclock to 4.4GHz on a Cooler Master Evo. It's a good mobo. It's stable and not expensive.