Well the Z68's aren't being made anymore, and the only Z77 on the market is that crappy AsRock Extreme 4(which is definitely re-certified junk and has used parts on it, also the Z77 have different voltage controls for the Ivy Bridge chip and will probably give your 2500k some issues if you try to overclock it a fair amount i.e. 5.0ghz). My 2500k ran 3 yrs@5.0ghz before my Msi- Z68 took a dump, I wanted to just replace the board with a high voltage/OC Z77 board, but their just aren't any good ones anymore. I upgraded to the 4690k Devil's Canyon/ Asus Sabertooth Mark 2 Z97. Cost with Hyper 212 Evo=$405.00 MicroCenter