Here are the files for the final UI with the old lay out:

The instructions for installing:

Right clic the MoI 2.5 app, then go to the "drive_c" folder and then to "moi", put there the "commands" and "ui" folders. If you want the custom styles, put the "LineTypes.3dm" in that folder too. Then the moi.ini file goes in here: /Users/ [your user name] /Library/Application Support/Moi If you are using OSX Lion in the finder press shift+cmd+G and there write the direction I wrote above changing this part [your user name].

You may miss the Split/3D/Top buttons, you can use the shortcut i set "<" or the arrow keys or change that in the options/shortcuts panel.