What's great about this Ikea Hack is that you only need two things that are less than $30.
This hack was really simple, only two products needed and a screwdriver. I simply put together the Expedit Coffee Table as the instructions state (but didn't put the glass plate on yet), flipped it over and installed a keyboard slider tray. The tray is really made to be put under a desk, but I wanted sliding storage for my remote and my keyboard.
Read more at IKEA Hackers.