I finally got my T-Mobile G1 and now I'm even more motivated to continue developing Yaaic. :)
In the screenshots section you'll find some new screenshots of the new GUI.
In addition to that the IRC connections are now handled by a service in the background and will continue to exist even if you close the application as long as you decide to be online in IRC.
Yaaic can now handle multiple server connections. Yeah, multiserver support! :) But its currently only in the background, so you actually don't see anything of this at the moment. :)
Check out the screenshots! I hope I can deliver a first beta version to the beta testers soon.