Some bundles I have installed:
CTags - http://github.com/adinardi/tm-ctags-tmbundle
Rspec - http://github.com/dchelimsky/rspec-tmbundle
Cucumber - http://github.com/bmabey/cucumber-tmbundle
Ruby Haml - http://github.com/douglasjarquin/ruby-haml-tmbundle
Ruby Sass - http://github.com/aussiegeek/ruby-sass-tmbundle
R - http://svn.textmate.org/trunk/Bundles/R.tmbundle
R console - http://svn.textmate.org/trunk/Bundles/R\ Console\ \(R_app\).tmbundle
