I am a huge fan of the pair-programming interview, as it gives the candidate a clear view of what they're getting into and gives you a chance to hear how their

I am a huge fan of the pair-programming interview, as it gives the candidate a clear view of what they're getting into and gives you a chance to hear how their brain works. If you feel it's exploitative, there's nothing to stop you from paying them for their time. They might not take the job, but they will probably tell their friends about the place with the wacked-out interview process.