Wow, this is exciting news. Engadget is reporting to have received an invitation to a Notebook event at Apple, 10am, San Francisco. With their copy of the invitation here, this could well be the event where MacBooks leave behind their plastic and go for a full metal jacket. The Apple Pro website (here) has also posted what is claimed to be the new casings of this wonderful machine. Expect full updates on Geekanoids as we learn more.