Interesting. No clue on price and I imagine it's a bit spendy, but interesting nonetheless.
http://www.easyriker.com/home/englisch2.htm
Handmade Frame
MAGURA Fully Hydraulic Disc Brakes
ROHLOFF 14 Speed Internal Gear Hub
Twist Shifter on Handle Bar
Adjustable Leather Bench
Adjustable Double-Arched Telescope Fork
GermanA Rear Air-Suspensions
Beltdrive
Big-Apple Balloon Tires 26 x 2.35
Hub Dynamo
Here's the Blackbird
And this one is the Silver Bullett