You'll get the benefits of ICS, without the wait and bugs that comes from porting.
More than likely the ota will change your s-on status to off. When the ota is released the update zip will be grabbed by someone and a rooted stock will be posted of that. I would advise against going back to stock and accepting the ota of ics sense unless you don't care if you lose root and take the chance of not gaining it again.
Frustrated Verizon Samsung Galaxy Note 3users, … more
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?