I've had to deal with this problem as well. I want to hang a 14inch SCT and 130mm refractor on a PME II and I don't want to rotate the Versa to do it. To cramped to do it comfortably anyhow.
In the end, I decided to make the most of the opportunity. I've designed a "D" plate the width of the Versa plate. I'll attach Homeyer cradles to each end of that and a custom made SBS plate on top of the D plate. Lots of bolts for stiffness and a full length dovetail for the D plate that allows me to move everything anyway I want to balance the scope.
Once assembled, it'll be a Tri-plate arrangement; 14 inch SCT in the middle, 132mm on one side, 90mm guidescope, 80mm finder, extra counterweights and other "stuff" on the other. Even with all this, no where near carryng capacity of the mount
Rom