Wired's Gadget Blog has posted a couple of mockups of a thin MacBook which it claims will be released tomorrow at the Macworld Expo in San Francisco.
A source disclosed to the blog that the MacBook (not Air) is a tapered design, thicker at the top behind the screen, thinning towards the edges.
"It's unbelievably thin," said the source.
The MacBook is said to be aluminium and glass, the blog has posted mockups based on the information they recieved.