Why would you get a desk and a chair when one product can cover both needs? The Globus Scriptorium takes up less than 9 square feet of floor space, but gives you both a chair and desk when unfolded. The chair even swivels so you can still goof off just as you normally do. Unfortunately, while it saves you floor space it will cost you a bundle more. See a picture of the Scriptorium closed after the break.
Product Page ($7,000)
