evergreen49: Currently I have 3 sets of Lynx Levelers that I use to level our Axis:
Lynx Levelers
So far I have only used them on the front (mostly to level the unit when its sitting in our driveway--our driveway is too steep to get the refer running). They seem to work ok although I'm starting to see evidence that the Axis is too heavy for them (cracking, some are flattening, etc.). We have to use all of them in the driveway:
As mentioned in this thread: I'd love to have an electric system. Even a manual one is preferable to ramps, or the "Lego" ones we use.