I use the latest version of textmate for all my Rails development needs and I feel that I\'m under-using the possibilities or this software. I only installed the Ruby on Rails b
I can recommend looking at these (Note: PDFs):
http://pragmaticstudio.com/rails (Rails TextMate Cheat Sheet)
http://www.g-design.net/textmate.pdf (HTML/CSS/Javascript/Other TextMate Cheat Sheet)
It would also be beneficial to look at the bundle editor (Cmd+Opt+Ctrl+B) and just look around at how the general bundles are setup. I did that, then shortly after started making little snippets in my own bundle to expedite things which I do most often.
Hope this helps, and good luck!