although their prices probably aren't the best, I've had really good experiences with
http://www.fibreglast.comThey do small quantities.
I actually lucked out and found a defense dept. contractor in my hometown back in MD that builds those UAV drones. Quite a bit of CF weave goes into those apparently. I used to be able to pickup some sizeable waste scraps that suited my needs back when I was trying to make that boom. Sorry guys, don't have the hookup anymore