intel boned up and let their micro code for H87, B85 ect overclock unlocked CPUs as long as the manufacturer provided bios support
here is a newegg combo that is a G3258 and a Gigabyte B85 mobo with overclocking features under 97$
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.1754703
Just made a build with this combo 550$ and it has a 7950 in it CRAZY
EDIT
also idk if the board supports higher but what the hell its only 4$ more for 2400Mhz
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.1733314
Tempting, been so long since i had a intel pc. That is crazy. mb cpu ram and case under 220