The single speed and fixed gear sub-forum has 1 Mllion posts and twice the volume of c&v. The next wave, in my opinion, is inexpensive single speed/fixie bikes. If I were a kid - this is what I would be riding. Messenger bags are more popular than ever. Cycling is not really dead for younger folks - it's just in a different forum...
Nashbar $299 Single Speed..
http://www.nashbar.com/bikes/Product...1_10000_201512