The iCade Arcade Cabinet began as an April Fool's joke in 2010, but this golden unicorn of iPad accessories has actually made it to production, showing up at our door last week. iCade creator ThinkGeek partnered with Ion to make this former imaginary gadget a reality, and so far it appears to be a hit, backordered for weeks soon after hitting the online store in April. The $100 cabinet pairs with your iPad or iPad 2 over bluetooth, bringing familiar hardware arcade controls to the Atari's Greatest Hits app, which includes classics like Missile Command (free), and Pong
