that is either the kewlest, or the wierdest bike Ive ever seen, so no seat at all? does it have an opening for a seatpost or is it just flat there?

I had thought about welding up a single tube frame, but I was worried about headtube/seattube cracks. whats that made of anyway, steel or aluminum? how much does it weigh? 1000 bucks seems a bit steep...also those bars/stem combo makes me think its a MTB hybrid, wonder how it would look with a regular bmx stem/bar combo on it. well thanks for getting me thinking, very neat bike.