In this economy, there are a lot of people just happy to have a job. I would recommend you try to get the passive candidates:

http://jobs.37signals.com/

http://snaptalent.com/

http://hiddennetwork.com/

http://authenticjobs.com/

You can't always expect the best programmers to come to you. You need to go out, find them, and give them incentive to work with you.