It wasn’t too long ago that you didn’t have that many options when it came to cardio exercise machines!  Basic treadmill exercise equipment and the now famous Nordic track was about your only options.  However, in recent years there are alot more manufacturers as well as products to choose from to give you that great cardio workout.  However, stair steppers and climbers are now cpturing some of the market share.  And the recent arrival of killer eliptical machines has added a new twist to your cardio workouts.  So, whether you are looking for new or used exercise equipment, you are sure to find something that works for you!