Fastest way to debug Firefox addons during development

Question

Debugging a Firefox addon is a slow process: (1) edit source code in a JS editor (2) package into XPI using a build script (3) drag into Firefox to install (4) restart Firef

Answer 1

http://simplygenius.com/2005/08/debugging-firefox-mozilla-extensions_25.html contains a good description of debugging FF extensions in venkman