Yea bsee...
My core is koa, also, with flame top and back. A very unique bass. The Wickershams are appreciative of this instrument because...if memory serves (YIKES!!!)...it is one of the few, if only, they made. Killer smooth punch through the mids but with the ability to spring out with the Alembic reality. Koa will always be popular for it's punch and carry. Other things are popular now. Susan has connects for koa, but thay are, as you say, not on the hot list it seems. Baby has a mind of her own, yet always seems to perform above and beyond. Just ask the recording and sound folks who have dealt with her.
I am truly blessed with a unique instrument.
Regards...
Steve