The Roost Stand is by far the best solution I've seen to this problem. And it's a beautiful piece of engineering.
You can get one here.
(I'm sorry to sound like an ad, but I just love this gadget. And it's unique, so I want it to stay around. I have tried debilitating neck pain from wrong computer use!)
|Though it takes two seconds to mount a laptop, it does not fall off.|
|Three different heights. Use external keyboard.|