Chris Hartjes today was on a quest for a "find in project" feature for Vim.
"Find in Project" was a feature of Textmate that he'd grown accustomed to
and was having trouble finding an equivalent for.
The funny thing is that Textmate is a newcomer, and, of course, vim has had
such a feature for years. The thing to remember with vim, of course, is its
unix roots; typically if you know the unix command for doing something, you
can find what you need in vim. In this case, the key is the vimgrep plugin,
which ships in the standard vim distribution.