Crankin - good luck, I hope the podiatrist is able to give you the relief that you need!

Bike Chick - does your fitness club have ArcTrainers in their cardio machine offerings? I've found that ellipticals and other cardio machines either tweak my hip (mild arthritis) or knee ("runners" knee), but the ArcTrainer has a slightly different movement and I can use that as long as I want without pain anywhere in my body. You can use a running-like motion on it, and it is certainly better than the dread-mill... It is worth checking out if they have that option.