So the obvious question for anyone buying an mITX motherboard for a compact gaming or productivity machine is not "should I get an ASUS motherboard?" but rather "Should I get the Maximus VI Impact or the Z87-I Deluxe?"
It comes down to what you need. This one has more SATA ports, and ASUS' 4-way optimization, whereas the RoG board opts for better onboard sound and a more aggressive look, with a (slightly) more over-built design. The reality is either one is an awesome choice, and for me it might end up coming down to which one looks better with my other components since I use an external sound card these days anyway.