[RMcNeal]

I originally purchased mine to make setup easier. I didn't have to go to each jack and put down wood or plastic blocks and I didn't have to pick them up when we left. Just unhook, auto-level and were camping. Since then, we have been in a couple of spots where the access was at a steep angle and I had to raise the jacks pretty high. The two front jacks are at their highest setting, and the rear only have 2 bolt holes left to go up.
I made big pads out of 4x4's and 2x4's stacked to take up the space and not extend the jacks so far, so now the pads aren't as convenient as when I first got them, but I do still like having them. They protect the foot from rocks and other damage and give a softer point to set down when the site if full of gravel and other debris. They are still nice to have, but pricey.