I used this and found it to satisfactory, assuming you use a monitor and a keyboard.
http://iamnotaprogrammer.com/Ikea-Standing-desk-for-22-dolla...
If you arrange the cables right, switching position takes only a minute.
http://iamnotaprogrammer.com/Ikea-Standing-desk-for-22-dolla...
If you arrange the cables right, switching position takes only a minute.