I've voted for a few more games, but generally they've been ones that I already know about, or are already available elsewhere (Gamersgate or Desura usually).
Interesting recent changes to it though, giving you 12 random games to view and vote on. I get the feeling the number of people voting will drop off a cliff, except in cases where a developer can rally people to vote.
Also lots of chatter about the $100 donation/fee for developers, which seems a little odd. Best article about it (that I've read) is here:
http://www.jonas-kyratzes.net/2012/0...llar-question/