My responses are based on a ton of "google" research and people's responses. I think there are a lot of responses because there is not a clear answer from Apple about the processor whine issue. Some people find it ok and others find it irritating. However, if you google for more information on the issue, people with brand new MBP still have the processor noise. Getting a new one at this point will not resolve the issue from everything I have read.
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For the record, I bought mine just over 2 weeks ago, and the thing is the quietest computer I have ever used... I haven't heard this "whine" issue at all. I just don't want everyone thinking that all of these machines are defective.
The heat is an issue on mine... but that is the point of the aluminum. It's metal, and it's going to suck up the heat from the inside of the machine. If you run a cooling pad underneath it to take the heat away, it stays more than cool enough. Now, I'm not an expert so I can't say if that amount of heat is normal or not, but it is a new processor, and a fast one at that.