* Founder collective (Chris Dixon & co.)<p>* Betaworks<p>* SV Angel (Ron Conway & co.)<p>* And the billion or so other YC knockoffs: <a href="http://kaljundi.com/2010/02/19/upcoming-startup-incubator-deadlines/" rel="nofollow">http://kaljundi.com/2010/02/19/upcoming-startup-incubator-de...</a>
First Round Capital (my employer)
Floodgate
Techstars<p>Best way to find out the value of each is to talk to people who have worked directly with each.