I was just over at my apple store. Not to buy anything, but to check out MacBOOKPRO. The whine. The heat. The result: There was 15 and 17 inch on display to play around with. On the 15 inch the two problems didn't seem to be there. There was no whine on it, and it was cool to touch. I checked both underneath and up by the F keys. Now the hot one was the PowerBook 12 inch. Un-freakin-believable. I regret lifting it and touching it. Ouch fingers. Also, the iBook 12inch was very warm, while the 14 inch on display was cool. So result: MacBookPro: Cool enough-no whine 17 inch- bit warm, no biggie-no whine iBook- HOLY CRAP THAt IS HOT... 14 Inch- Cool PowerBook G4-I regret I even touched it. That is my opinion of apple laptop temps You may post your opinions here.