Gaiam offers the Gaiam Mini Stepper with Resistance Cords, model no. 95-1003 CORDS, for $23.99 plus $9.99 for shipping. That's $45 off list and the lowest total price we could find. This low-impact strength and cardio trainer comes with a 30-minute workout CD.
Note: If you haven't already, sign up for their email list via to receive a coupon code for an extra 10% off.