Universal Analytics
(Beta) which has more comprehensive set of features than the classic
analytics is now available in GA. Universal Analytics code can be added
along with existing GA classic code thereby saving
the past statistics, and at the same making use of the fabulous
features bestowed!

Session and campaign timeout setting can be quickly done without adding codes to the site.

You can add more search engines to the limited set of search engines tracked by default without a code addition!

Here is the Universal Analytics (Beta) announcement link to the public