I bought a lift-top coffee table from a big box store almost a decade ago. It's entirely particle board and has seen better days cosmetically, but it's probably my single favorite piece of furniture. It's immensely practical for meals, using a laptop, or just bringing your remote/drink/whatever closer to your hand when laying down on the couch. I instinctively try to lift other people's coffee tables when I visit, and am mildly annoyed when it doesn't work...