One of my favorites is http://www.thesurvivalpodcast.com/ and it's associated forum. Lots of good information available there.

Here's a new one I've been looking at as well:
http://www.thesurvivaldoctor.com/2012/09/06/survival-first-aid-kit/

A couple from "survivors"

http://ferfal.blogspot.com/

http://www.theplacewithnoname.com/blogs/klessons/index.html