I guess most of sentiment for v1 comes from a better UI (more mac-like).
And also in the new version those pesky "dissolve window" effects had I to disable! :)
In fact devs need to look more into what makes a nice Apple Human Guidelines-compatible UI.
Among first things I would call for 1 combined window (Calls+Messages), separated either by tabs or by folders in a retractable drawer. (E.g. Apple Mail)
Now it looks a lot like MS Entourage/Outlook Express.
Also there's no "Call" in the Message Centre context menu (on a message) - but
there is "Send Message" in the Call Centre context menu (on a call record).
But worst was that it could not see all my SMS, nor all the Calls from N95-1.
I could not figure the selection rule so far.
BUT - it's got great future, I believe.
Just don't make such un-contigent moves like v1 to v2.
Evolve, evolve, fix bugs/UI blunders and voila!