Looks like NIS 2013 may be ready for public consumption.

Majorgeeks.com is a very reputable site, the Norton store page does not show it yet.

 

http://majorgeeks.com/Norton_Internet_Security_2013_20.1.0.8_d6902.html

 

They normally show it as beta.

 

Maybe not (from the MG site):

The Internet is a dangerous place, and cybercriminals are getting more creative in ways to target you and your invaluable personal information. Norton Internet Security 2012 provides our most powerful virus, online and PC protection so you can do more without interruption.

The latest upgrade of Norton Internet Security offers: