Techradar posted a review on the Asus P8Z77-V Premium
The battle between Asus and Gigabyte has traditionally been a heavyweight contest, though in recent years it's become more of a ritualised beating, as the Asus boards have consistently out-punched Gigabyte at every level.Asus P8Z77-V Premium Review
With the release of Intel's Ivy Bridge setup and the Z77 platform, however, Gigabyte has made a dramatic return to form. Now the head-to-head is once more a battle of the giants, and nowhere more so than between the two premium Z77 motherboards we're checking out.
They are both around the £250 mark - a fortune compared to most of the fairly reasonable Z77 boards we've previously tested - and come with more ringing and whistly things than you could shake a thin piece of dead tree at. They also both come with connections for the new Intel/Apple love child, Thunderbolt.