Moser does make a 3 Channel 9".
I am seriously considering a 3 channel custom 9" from a company called Midwest Chassis and Performance. They are now a sponsor on LS1tech. I have been talking to the owner, Eric, and it seems like an awesome deal. He includes many of the options that you would have to pay for on a Moser for free with his rear. Such as a drainplug, sway bar brackets, etc and his prices and very fair. His SN is ssvert99 on LS1tech.
Here's some pictures and information:
http://www.ls1tech.com/forums/showth...110&highlight=
http://www.ls1tech.com/forums/showth...399&highlight=