not sure if Hogan or RiverRat are up for doing the work, but may be worth PM'ing them to see. both are very knowledgable and capable cats in your neck of the woods.
Disclaimer: I make and sell Buffers. I also sometimes Modify, Build and sell preamps and amplifiers. My opinions are not intended to be sales pitches. I am a one man shop and prefer to spend time with my wife and family, i work full time on call and love to spend my spare time doing other things. I only make, modify or build things for those that seek them.