NIS 2010 and SONAR 2,3?

Hi Nortoners :) Im a newbie :D

 

I have a question about SONAR.

 

Some ppl said Norton 2010 products is now using SONAR 3, some other said only some features of SONAR 3 adopted to SONAR 2 while in the blog.. it is said that all Norton 2010 users will also benefit from this (what does this mean? > <)

 

Which one is correct? and how do we check if its SONAR 2 or 3 in the application?

 

Many thanks for the help :)