Yes. Isn't this what Spolsky and Atwood are trying to improve for computer professionals? Granted it's a specific niche of the market.
Matching these sorts of unique demands with a wildly varying supply is a devilishly hard problem. It's not much different than dating sites. I'd put both dating sites and job boards in the "better than nothing" category. However I've always maintained that if you could find a very high-quality partner (or employer, or employee) as easily as it is to Google for most things, you will be the richest person on earth.
Matching these sorts of unique demands with a wildly varying supply is a devilishly hard problem. It's not much different than dating sites. I'd put both dating sites and job boards in the "better than nothing" category. However I've always maintained that if you could find a very high-quality partner (or employer, or employee) as easily as it is to Google for most things, you will be the richest person on earth.