gistfile1.txt

autocmd User Rails Rnavcommand sass app/stylesheets -glob=**/* -suffix=.sass
autocmd User Rails Rnavcommand feature features -suffix=.feature
autocmd User Rails Rnavcommand fabricator spec/fabricators -suffix=_fabricator.rb

let g:surround_{char2nr("l")} = "link_to \1text: \1, \2path:\2\r"
let g:surround_{char2nr("#")} = "#{\r}"

autocmd User Rails Rnavcommand steps features/step_definitions -suffix=_steps.rb -default=web

That was already included for me somewhere, as well as factories.

I really like the link_to surround helper as well as the interpolation surround helper.