Folder Menu
http://www.autohotkey.net/~rexx/FolderMenu/index.en.htm

RIght-click menu for jumping to favourite folders, etc.

Folder Menu is a folder switching tool. You can quickly jump to your favorite folders in explorer, open/save dialog or command prompt...and more.

Not sure this is worth another library

A Python module that provides a common interface to many kinds of filesystem.

Sweet, just what I needed: PyFilesystem 0.3 released - http://j.mp/93572S