http://www.micahcarrick.com/09-29-2007/gedit-html-editor.html
A nice article on how to mod the hell out of gedit to make into a pretty powerful ide. Some really good plugin recommendations and some custom code. Nice job. :-)
http://www.alexyoung.org/articles/show/12/vim_for_textmate_fans
An article on tuning vim to be more like Texmate (proprietary mac text editor). Discusses code completion, plugins, and a few other cool tips.
