We've just taken in trade this very clean Nustep TRS4000 Seated Stepper.
This unit is similar to the current model T4R which sells in the $5000.00 vicinity and we often see used TRS4000s selling between $3000 and $3500.
If you've been looking for a nice and clean Nustep, this is your chance. Typically Nusteps don't hang around long, so if you're interested, you may want to move quickly.
Unit can be seen and tried at The Fitness Store, 1410 Dewey St in Manitowoc.