Annoying low pitch noise under keyboard (around esc key) any solution??????

Hi guys,
All of a sudden I am experiencing the same noise under my keyboard and it doesn't go away. I always take a very good care of my computer but I don't know what has caused it and even though I have purchased the Apple care plan but I am in an area that there is no Apple service center (I am away from Canada). I have ran the hardware test (extended test), it could not find anything but this noise is annoying.
Please someone or an apple technician tell me what to do? Does anyone have a local number (in Canada) other than 1-800 number for Apple technical support? I have purchased my Macbook Pro in March 2009!!!! I will appreciate your help!
The second question I have is that after just couple of months that I purchased this MBP, Apple changed the configurations to what I was really after but no one at Apple store told me anything that if I wait I can get a new version of MBP with 8GB RAM and SD card. Where can I send my complaint to Apple? Does anyone have any email address of apple management? I feel Apple has not been honest with me.

Sasan Mac wrote:
Thanks for your reply but its not the speed of the fan, I have checked. Even when I turn the computer on, right from the beginning, you can hear the noise.
In that case I suspect that it is actually either a defective or out of balance fan (most probable) , or the fans are running at full speed because of a problem with the thermal control processes.
Regarding the second part of my message, I asked all , I emphasize, all of the sales reps about the availability of more RAM to be specific but no one told me anything. I waited quite sometime to see if they offer they same amount of RAM as their 17" (8GB) but at last, since my previous laptop was broken, I had to make the move. I have heard that Apple has, in some cases like mine, compensated the customers by exchanging or offering money. I expect that Apple must do the same to me too since it just happened couple of months after my purchase not a whole lot longer.
Sales staff are very unlikely to really know what will be contained in the next upgrade until a matter of days before any new release, Sasan.
As far as "compensation" goes, If you had bought the Mac within a few days of the model change over that might be a different matter but Apple's 14 day return policy would have allowed you to move up to the "new" model at minimal expense (the price of their small restocking fee) anyway. Two months is a different order altogether. Model runs with computers are always quite short. If manufacturers had to replace every computer purchased within the last two months before a new one was released with the new model then they would all go broke very quickly!
Cheers
Rod

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