Teamspeak on a Mac?

Okay my spouse plays D&D with college buddies on our old PC and wants a new one. They use a program called TeamSpeak. I would like to ditch the PC and go with a Mac instead. Can some on please advise me on...

1 - Will the Linux version of TeamSpeak run on a Mac? They don't have a Mac Version.

2- Is an iMac or a G5 better for overall gaming?

the powermac will be better. you can easily upgrade the video card, and of course there will be an extra processor.

1 - no. It could possibly be ported as an X11 app but as of this moment it has not as far as I can tell. Depending on how portable the code is this could be easy or hard.

2 - The PowerMac is better than the iMac for gaming. Both are G5s though.