Getting started with macvim, how to manage a project?

I have started out with macvim and now fairly comfortable with the navigation (on a single file) and now I need to write a whole project (say rails) using mvim.

In textmate, you have mate project_dir which opens the project in a side drawer, so my question is:

1. Is there a similar feature in mvim?
2. How can a complete project managed in traditionally in macvim?

Links to some write-ups are welcomed.

Just try using Janus. Made it really easy for me to switch from TextMate.