The Q UP is in the house, In fact it is on my KD 500. I had to squeeze it into the arm-board well. I thought that I would have to remove the base as burlybryan did, and I would have if it was to go on top of the plinth but it is OK where it is. It is hitting one of the mounting screws on the SME arm base. I will have to make a mounting plate ~0.01" thick with a hole for the screw. I'll put the plate down with double stick tape, then mount the Q UP to the plate. The slide mount is useful if you play Lps and 78s as the lead-out groove is closer to the center with 78s.
The picture shows a 12" 78 playing. It trips just at the threshold of the lead-out groove. It was set to trip at very close to the innermost part of the lead-out on an Lp. It is uncomfortably close in both cases so a setting for Lps and a different setting for 78s is good so I happy that I can use the adjustable base.
As burlybryan reported this thing is not the epitome in refinement, but it does work.
The lift platform does not rise flat but pivots. This gives some lateral movement to the arm, the result of which you can hear from the speakers. It is not bad enough to fear for the stylus however.
I have the factory viscous damping setup for the SME. It mounts pretty much where the Q UP is so if I want to use it the Q UP will have to go.
In the picture above a 12" 78 is playing and is almost to the point where the Q UP trips.