Good news for those waiting for a tried and true root method to appear for the New Nexus 7. Mskip is a senior moderator and experienced developer on the XDA forums and he's come out with his Nexus 7 Root Toolkit. You can basically unlock, root, backup, restore, push files, install/correct ADB drivers and more with this toolkit. There's also a donation version with still more features. You can get more info as well as download the toolkit but hitting this link.