Ocinside.de has just reviewed the ASRock Z78M OC Formula and there are full of praises for it. Check out their detail review below.

“The brand-new ASRock Z87M OC Formula motherboard for Intel Haswell CPUs in the shortest mainboard review with just one word.
We were also amazed about the plenty of features which can be integrated in such a small micro-ATX 8-layer PCB Z87 motherboard layout.
ASRock offers especially very powerful options for overclockers with this LGA1150 motherboard.
ASRock Z87M OC Formula Intel LGA1150 Motherboard Review

Link