Man that skatepark look so nice, I thought it was a Dreamland park for a sec...

I agree though, track bikes on the street does have a lot of similarites, mostly the ones you noted. I used to be very into skateboarding for a good 5 years on and off, now I'm into the fixie thing but they're both fun in their own ways. I don't know if fixed gears as a mode of doing tricks can really progress that far though, but we'll see.

I'd go as far as saying fixies as a sport compares pretty closely to snowboarding in the regards that in both fields you have people that are obsessed with speed and just love going super fast, and than other people obsessed with tricks and always trying to do something new / innovative. Then you have organized racing (boardercross, slalom / velodromes) to add to the mix too. In skateboarding, there's merely a fraction of a fraction of people that like to bomb hills and go fast exclusively, most of the people that skate are either into the street or skateparks / transitions and bowls.

I don't necessarily think of fixed gears as some flash in the pan trend, I think people will be riding them on the streets for a lot longer then people may think. Personally, if I'm still riding a bike 10 years from now it's definitely not going to be freewheel, it's just that simple.