Rootsmagic have stated that they are working on a direct import of TMG data.
Quote: "The RootsMagician is currently working on a direct import of The Master Genealogist into RootsMagic. No ETA on its availability yet"
I do hope all TMG users get a solution which enables them to take their valuable research forward.
Original thread - http://forums.rootsmagic.com/index.php?/topic/13713-migrate-from-the-master-genealogist-tmg/page-2