>But, strangely, I do have a wicked hankering for cheese when I climb off it.....
Ha! I find that if I hang a bit of cheese or a small bit of beef jerky a few inches in front of my head, I walk a lot farther. Also, a nice picture of the Pyrenees helps a bit.
Seriously, my wife bought me one a few Christmases ago, but I'd rather slog through the snow in the neighborhood or a local Metro Park than use it. Too bad, really. It cost a bundle.
Now if I could charge a battery with it or grind corn, that would be another matter. I mean, after all, the "daily grind" seems like a kind of treadmill as it is. Most of us are fighting hard just to stay where we are. A treadmill is not-so-uplifting metaphorical reminder.