I envy you Walter. Only have 66 users on the new BES (with another 1200 waiting to transfer over from parallel 4.1.6 environment), yet I have to jump through hoops to do what you did.
Have now built another BES v5 with seperate DB, just going to use the BET to move them and rebuild the whole thing. Easier to ask for forgiveness than to ask for permission.
Better to light a candle than to curse the darkness.