Given the amount of media coverage lately I would say the trend is almost over. I'm a bit surprised I haven't had some one tell me that fixies are "so '04" ... of course, I don't really talk to people.
On the plus side, by next winter there should be tons of used fixie stuff on the -Bay that will go for reasonable prices. Three cheers for supply and demand! So keep the articles coming ... nothing kills hip faster than exposure.
The question is, will the next thing be as easy on the environment as bikes?