Vertical climbing machines have been around for a long time. They are used by many athletes to achieve superior cardio and endurance. Most of them are not cheap though. The Body Champ Cardio Climber is an affordable vertical climber that works your arms, legs, abs, and butt.
The machine has a wide base for stability. It also comes with support rail and a bungee suspension system. Its monitor helps you keep track of your workouts. Costs $179.99 at this time.