I think they are neat machines. The power head is the same as that on the red TOL Progressive, except it has a different hood and without the headlight.
I do believe Sears has discontinued them. I don't see them in my local store anymore, and they are not available online as someone mentioned above. Some stores may have display models or returns on clearance, I did see one in my store on clearance recently. I too don't understand why they had such a short product life, I don't think they were around long at all.