Multiple browsers (and versions on other systems) installed to test settings and compatibility
DVD Video Soft, free, quick and simple - Thanks Sherm
Easy video splitter
Notepad or wordpad
http://www.pixlr.com/editor/ - Thanks Kmanrox - online version of photoshop for those quick edits without having to wait for photoshop to open
Links organizer and blogs organizer from cheapestwebsoftware.com
iTunes... gotta keep the beats flowing