Yay, theres a team speak client for Mac at last, and athough its still a beta, has less features than TS for doze/nix, it works!

More info : http://www.goteamspeak.com/news.php
Download Page : http://www.savvy.nl/blog/

Its not an official TS client, so any problems should be reported to http://www.savvy.nl/blog/ not goteamspeak.com :)

Interesting, I shall have to play with this...