Betting Apple intends calling its new tablet the ‘iPad’ got a slight jostle up the probability table on this latest news - someone already sells an app called iSlate in the App Store.
As spotted by Mobile Entertainment, iSlate was launched in November 2008, with its last update being in May 2009.
It's described as a "digital clapper board that can help video enthusiasts add a touch of Hollywood magic to their videos". The app costs $2.99 / £1.79 in the App S