MW said no, by a e-mail reply. Something about that its not possible to run both versions of same data/workspace. Find it strange since I run Version 6 on my pc of one workspace and version 7 on my laptop of a different workspace. And they dont interact with each other on any level. Only problem is I cant run them both at the same time because of license issues. I would understand that you can not run them on same PC but two different PCs should work.
Its their decision and the road they chose to go. I suppose its version 6 for me for unforeseen time. I'm not switching to trade of a Beta version with all its issues.