Just noticed that Clarkconnect 3.1 is out.

http://www.clarkconnect.com/info/3.1.php

one of the feautres to note, is the peer to peer bandwidth control. Could be a very interesting product. Its built on the CentOS ( read: Red Had Enterprise ) core , so would make a nice gateway box !

I'll be giving this a test at some point - will post up my thoughts on it.