I can still grab Xchat Azure from the Mac App Store for my new rMBP, but it looks old and it's clunky. I was wondering if there was anything new-ish with better aesthetics that you people have been ...

I use X-Chat Aqua every day with Lion. And you can't beat the price. There's a version of it on the MAS under the name XChat Azure. According to the author, the name change was necessary to comply ...