Cool beans. MATLAB's plotting tools need to improve a lot, and hence i use export_fig.m a lot. Is a Skydrive option in the works?
I think skydrive support would be great :)!
Btw, really really well done from what I tried!
I don't trust Dropbox security wise. Google does so many product launches/retirements that I don't trust anything beyond search and Chrome to stay around.