This mobile laptop cart can be used as a standing desk to help you avoid the health concerns about sitting all day at a desk (standing instead of sitting benefits your posture, circulation, and can even make you more productive). The laptop stand is height-adjustable from 35 inches to 44 inches. It's built out of MDF, with laminated PVC for the surface, and reviews around the web say the mobile cart is very sturdy. You also have room in this compact stand to store some books, discs, or supplies. Finally, it's one of the more inexpensive standing laptop desks you can buy, with a list price of just $75 (offered for less online).