A whole lot of startups post on Craigslist. Searching for "startup", "funded", etc works pretty well. Quite a few totally legit early-stage startups post there.
http://sfbay.craigslist.org/search/sof?query=startup&format=rss
http://sfbay.craigslist.org/search/sof?query=startup&format=rss
Those crack me up -- what are they even bringing to the table? "You do all the work, and we'll give you a small percentage."
(sure there are exceptions to the rule; "Google, it's like AltaVista...")
Before Justin.tv launched, I imagine there was a lot of coding/testing involved. Most start-ups don't need a TV producer even after they have a product.