An elliptical exercise machine is an excellent choice for work out options. It can be purchased in places that sell fitness equipment such as Canadian Tire, Sears, Best Buy, and sport stores, depending on where you are.
You can buy one at Overstock.com
The sole elliptical machine combines both natural human movement and exercise to simulate the pattern your foot travels. The Sole E35 cross trainer has received a "Best Buy" award for two consecutive years.
If you want to buy a used elliptical machine, learn as much as you can about it before you do. Learn how used the machine is and what the original cost was. Amazon.com is one of online store that sells cheapest used elliptical machine. You can visit www.amazon.com.
NordicTrack A.C.T is one of the most recommended elliptical machines and you can buy it online from walmart or amazon.
I would recommend any sort of elliptical machine for increasing physical health. Cardio based exercise is great for the body and can increase endurance. In order to buy one, I would check online. Websites such as Amazon are wonderful places to locate hard to buy items.
You can search for listings online from Ebay and craigslist for used elliptical machine. One listing I found for Jacksonville, FL is http://jacksonville.olx.com/octane-fitness-q47ce-standard-elliptical-trainer-iid-76329137.
You can buy the best elliptical machines online from amazon.com, ebay.com or horizonfitness.com.
If you want NordicTrack elliptical machine specifically , you can get it directly from NordicTrack itself. They also have an online store that you may want to check for your preferences.
Proform is a known name in the workout equipment world. Their model 900 elliptical machine received bad reviews from heavy users saying the machine is too wobbly and will not support their weight.
You can buy a second hand elliptical machine at the following sites www.ebay.com/ or www.amazon.com/ or at this site www.playitagainsports.com/equipment/90/fitness
You can directly visit there website at norditract.com for elliptical you may want and need. If you purchase your elliptical machine from them directly the shipping will no cost for you.
An elliptical machine is good for bad knees (Its like a cross trainer) as they don't land any pressure on your knees. On the other hand treadmill will force you to put your leg on it again and again which can cause you pain. So my advice is to buy an elliptical machine. For more information go to:- http://www.ellipticalvstreadmill.us/