Contemporist has a great post on Inamo, one of the newer restaurants in London's West End, which boasts fully interactive tables with touch technology. The tables function use overhead projectors and touch panels on the tables that work together to display things like menus, as well as rotate through a series of seven tablecloths according to the patrons preference. Customers are also able to order directly from the digital menu, reducing waiters to little more than human FAQs.
Inamo's tables are also capable of running games and providing location-based services, like ordering a cab. Planned out by Blacksheep, Inamo also features state-of-the-art design that pays special attention to factors such as colors, spacing, and visual coherency. Sure, the tables may not render 3D models like some concepts we've seen in the past, but these ones actually exist in a public space. Here's the description straight from Blacksheep: