[eneveu]

Just stumbled on these links while reading http://news.ycombinator.com/item?id=1253411 . While not strictly about interviewing, they might be of interest to you in your quest for developers:

http://www.joelonsoftware.com/articles/FindingGreatDeveloper...

http://stu.mp/2010/03/howto-recruit-rock-stars.html

http://stackoverflow.com/questions/1451216/how-to-recruit-gr...