Macworld: First Look: First Look: ModBook
Third-party modifications turn MacBook into a tablet computer – By Jonathan Seff

Ever since the Newton came—and went—in the 1990s, a small but vocal group of Mac users have clamored for a tablet Mac. At least to this point, Apple has shown no interest in getting into the tablet business. So it’s up to third parties to come up with a product that may finally determine the level of demand for a Mac tablet computer.