My new Pro has been pretty quiet most of the time. More and more it drifts in and out of a faint clicking, rattling noise. Tonight it got a lot worse and has been constant. I can look through the perforated sheet at the front as I shut it down. When the fan visible from through that front panel slows, the noise slows right along with it. Then, oddly, as it stops, it becomes jerky, in time with the slowing noise, and when it comes to a stop, it actually then bumps backwards. It reminds me of the old WWII movies showing airplane propellers stopping and then turning backwards from engine compression. I could see that happening from a rough ball bearing, but I am guessing these are not ball bearing fans. Are they? How do I contact Applecare about this? Is that the best way to go? Thoughts on this? Thank you.