I've not seen another like it. And Neil (he took the pic) says he hasn't come across anything similar in any of the hang gliding literature, either. Dunno if he's done a web search.
I'd like to try "Hang Gliding." I've even looked into it, a bit. Been up in gliders, a few times. Nice and quiet ... no engine. Kinda like Hang Gliding, only yours isn't the only fuselage!