The ones that everyone recommends is Sole, but they are not in stores, only on-line. DH is not willing to risk it, as they ARE all different. Sears had a huge sale on Soles just last week, half price, but by that time we weren't sure we wanted one, and we didn't jump on it. Now they are back to their regular prices.

I plan to go and work out at another machine at Sears, for like 30 min

They encouraged it. It is half price, and has good reviews (Schwinn).
The ones we saw at specialty stores, were either really great but into thousands of dollars, or at about the price we were aiming, but seemed wobbly and DH didn't like them.
The Schwinn one that I tried at the store afor about 15 min felt very natural--like I was running, but without lifting my feet.
It has been two days, and my knees haven't bothered me. So I just need a longer work out to try there. That will be a sight!
