Just as the ever-increasing low cost accessibility of technology has made YC possible in that you can give someone just a little bit of money to build something, self-funded startups are also becoming possible for more and more things. Here are some resources:

http://discuss.bootstrapped.fm/

https://twitter.com/search?src=typd&q=%23microconf - lots of information on the recently concluded MicroConf with patio11 and many others from HN.

http://www.startupsfortherestofus.com/

And Rob's book, which is a great starting point: http://www.amazon.com/Start-Small-Stay-Developers-Launching/...

Granted, bootstrapping is not viable for some things, but for many others, it's a good path.