May 5th 2011 3:19PM http://wow.curse.com/downloads/wow-addons/details/powerbars.aspx
This looks like it may be what you are looking for. I use rogue power bars when backstabbing things.
Sep 13th 2010 11:35AM You can also setup the mumble server (murmur) on your own system. I have done this in a bind an never saw any spike in latency.