http://37signals.com/svn http://37signals.com/svn http://37signals.com/bootstrapped http://37signals.com/bootstrapped <- not a blog but a lot of useful example

http://37signals.com/svn http://37signals.com/svn http://37signals.com/bootstrapped http://37signals.com/bootstrapped <- not a blog but a lot of useful examples http://unicornfree.com http://unicornfree.com http://kalzumeus.com http://kalzumeus.com http://blog.asmartbear.com/ http://blog.asmartbear.com/ These are the best I've ever read.