On November 20, 2009, I purchased a A2750 Norditrac Treadmill. After one week of use, I started having problems with it. On December 18th a technician came out and told me that the motor and the control box had to be replaced but since it had been less than 30 days, I might want to check with Sears for a replacement. I took the treamill back to the University Store in Little Rock, AR on 12/19/09 and that store did not have the same treadmill in stock but told me to take it to the Niorth Little Rock store and a replacement would be no problem... read full review »