Okay . I gave it a shot. As I was having problems with webcam in Digsby and Meebo. Here's my take.
It's sleek. Nice lay out. The add-ons seem to work a lot better than they do in Digsby. (Twitter, etc)
But alas...webcam is good only if your contacts have Yahoo Messenger or Trillian. And I have to say..I am quite confused about what you get with the Pro-version. Finally..it took me a long time to find the webcam button at all and it is severely lacking in 'Help', tutorials, etc.
I'll hang onto it for now as I have become more of a user of IM than I have ever been in the past. Hopefully, the updates for this will sove a lot of these minor issues.
*it would be nice, though I don't know if possible, if they make this skinnable in the final version. There's a lot to play with.