Only bad thing: look at the picture of the product and you'll see that there is a strip of wood meant to hold your laptop in place - if you have an earphone jack or you have a memory card slot where the card is still slightly sticking out, you'll have to be careful that you don't mess up your laptop.
Other than that, this laptop tray is friggin' AWESOME. If you are an above average sized person, you might want to pay attention to the Product Specifications. I'm an averaged size person and the clearance is great. If you want to be real lazy and you are my size or smaller, you can actually have this tray lay over your chest and you can watch movies lying down flat. Well, you might have to put an extra pillow underneath your head, at most.
EDIT -> (after 2 years) - i downgraded from 5 to 4 stars. i didn't like how the legs of the table could not lock into place. the drawer is not very useful but to store... maybe a USB cable?