Apple could improve thermal dissipation by using 24 carat gold instead of aluminium. Probably wouldn't make much difference in the unit price, percentage wise. . .

Have signed up only to comment. Bollox! Show me dubstep or Hip-hop or D&B that has a dynamic range of more than 60 dB and I'll pleasure you till you get fed up. Mahler 8 needs 120 dB as does, er, not much else, except a jet going from ignition turned off to ignition turned on. What do I know? Not much, except I'm Director of Undergraduate Studies in Music and Sound Recording at a major UK University, which means I know jack shit.