Fresh from the “uh-oh, watch out for” department, Engadget warns that some - by no means all - Core i7-based iMacs may suffer a couple of technical faults, one of which sees the all-new superpowered Mac turn up D.O.A.“A quick glance across Apple's support forums and on other Mac boards around the web reveals that some machines are showing up D.O.A. and / or with cracked screens,” the report explains. “We're a little more familiar with the D.O.A. issue, since the new i7 we just bought doesn't boot at all,” Engadget adds, but observes that this fault only seems to affect a minority of machines.
Assuming your model’s unaffected, the performance
