For a while in the early 1990s, fixed gear stuff was pretty hard to find. I began to fear it would disappear entirely. But then the first bits of the single speed and fixie trend started showing up.
The initial relief at greater supply has worn off. You used to be able to get a perfectly serviceable fixed cog for five or ten bucks. The bids open notably higher now, and it's not just due to material and transportation costs or markedly better design and manufacturing standards.
We'll know fixed gears have really arrived when crappy ones show up for sale at Wal Mart.