Surely you have read the general and development forums? Yes KK OTA is available. You better read up on the flashing issues and bricking possibilities before you take the KK OTA and decide you want to revert back to a custom rooted rom.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service