On the dpreview.com "Olympus DSLR" forum, someone just posted a successful effort at writing software for communicating with the Olympus E-M1 (via wifi) for viewing/transferring image files to a PC.
http://www.dpreview.com/forums/post/54132612
Perhaps this might provide Brian with some optimism about possible Shuttersnitch support for that camera…? Or perhaps not.
Hopefully,
Phil