Sorry for my really late answer. Somehow i didn't receive an Email alert.
Has it been too expensive? and how much fabrication time?
The price was about €420,-. The thing that made it that expensive were the heating system for both riders. It took three weeks, till i had my seat back.
What did you get in the way of foam/gel? Normal height or lowered/raised? Did they have seat bases available, or was it mandatory to send the original seat in (I would like to keep mine)?
I have chosen gel, which is sensible better than original. Of course after some time every butt needs a break.
Normal height and yes i had to send my seat in.