Been in the pipeline for a long time, jumped with a guy in the States with a home made one of these on his back 7 years ago! Come to think of it, never did see him land
Anyway, ze latest German SF version can be seen here:
http://www.esg.de/presse/downloads/Gryphon2.JPG
with full flight controls and 200km flight from 13,000ft (up to 33,000 ft launch available...)