http://www.engadget.com/2009/11/24/core-i7-imacs-showing-up-doa-including-ours/

2009-11-24deadimac1[1]

“Apple's new Core i7-based iMac might be a performance monster, but it looks like the whole family's having some problems getting out of the gate: in addition to the previously-noted performance issues with the Core 2 Duo models, a quick glance across Apple's support forums and on other Mac boards around the web reveals that some machines are showing up DOA and / or with cracked screens”

Also please do have a look at the comments section below the post…… apple people may not feel so comfortable anymore? you decide…