If you share a folder on dropbox any saves or updates to any files inside that folder with be updated for anyone that uses them. Also a program named tortoise SVN is alot like dropbox but intigrates directly with windows. Hope this helps
I always have associated things like Git with coding, though - are repos like that suitable for textures, meshes and so on? I have access to a Mercurial server that was set up by one of the organisations involved in the OS development, with all the permission I need to set up shop on it, but I've been reluctant to do so as…