Yeah, he hasn't done one before, but he is keen. The idea is to reduce the scale on the treble side, rather than extending the bass strings, it'll be a 24"-25.5" fan. Still tuned regular, but should make for very sweet sounding upper registers, while still clear in the low end. Also, it should facilitate wide stretches, which will be good fun I'm sure.
I am getting two from Dæmoness, the first is a 7-stringer, the recipient of the quilt top which is going to be started in the next fortnight or so. The 6er should be next in line after that.