Their not a best motherboard for gaming you can buy a cheap Z97 board or a very expensive ROG Z97 board and get the same exact gaming performance the only difference will be the overclocking ability of the processor and the bells and whistles on the board.
Here is a few good boards I myself would get the last one listed.
http://pcpartpicker.com/parts/compare/asus-motherboard-z97ausb31%2Cgigabyte-motherboard-gaz97xgaming5%2Cgigabyte-motherboard-gaz97xud3hbk/