Many new Macbook Pro Core i5s and i7s having been suffering from random system freezes.
I have had mine for almost 3 weeks and have had 14 sudden complete system failures. Usually my screen cascades to grey and a window appears telling me to hold down the power button and do a force restart.
This one was a little different. Mail had stopped responding so I attempted a force-quit at which point the system crashed, while playing a looped audio blip over and over.
There is a forum discussion here over at Apple with over 700 replies:
http://discussions.apple.com/thread.j...