Ubuntu 13.04 "Raring Ringtail" Review: Sizzling with Unity 7 but does it warrant an upgrade from Ubuntu 12.04/Ubuntu 12.10?

Let me start with where I left off in my review of Ubuntu 13.04 beta 2. To me, as an user, it appeared to be an updated version of Quantal (12.10) and nothing more. However, I ended with a note that possibly by the time of release Ubuntu will come up with something really spectacular like Smart Scopes. I must say, I am a bit disappointed with Ubuntu in the absence of Smart scopes. I heard that