I can recommend CtrlP (or Command-T). I can't imagine navigating in a project without them. They also have great buffer navigation. Personally I mapped <leader>

I can recommend CtrlP (or Command-T). I can't imagine navigating in a project without them. They also have great buffer navigation. Personally I mapped <leader>t to CtrlP file search, and <leader>b to CtrlP buffer search (:CtrlPBuffer).