There are plenty of fancy exercise machines available on the market, but many of them take a lot of space. If you are looking for a compact elliptical to give you a low impact workout anywhere, you may want to give the Stamina InMotion Compact Strider a look. The device has a compact design and adjustable tension. It has a fitness monitor to keep track of your distance.
The InMotion Strider has large, non-slip pedals. It works your glutes, thighs, and calves. You can store it easily in your closet when done. Sets you back under $100 at this time.