I don't remember which band it was or how the song goes but the point is that not doing something just because it's popular is as lame as doing something just because it's popular. And considering the hipster/irony relationship you just opened a whole can of bananas.
Just get what's good/cheap and ride your fixie, ya' hispter. ;-)
(Full disclosure: I ride a fixed gear. I have an EvoMini. I wear Skinny jeans. I get jokes.)