Got my brand new 13 inch 2.3 GHz MBP non-TB yesterday. I am a PC user wanting to try Mac, and the MBP felt just amazing when I started using it. Really a nice computer. But after maybe 30 minutes I noticed that some of the keys started to give a very high pitch clicking noise. The same as when you crunch a plastic bottle. The sound disappeared when it cooled down a bit again. This was very strange, so I googled and found a lot of persons having the same issues with this. One thread is e.g.: https://forums.macrumors.com/thread...high-pitched-keyboard-clicking-sound.2022399/ Seems that there are no solution, and there is no use swapping it for a new one. I would probably get a new one with other keys acting like this. I am now returning it for a refund. This is really a shame. Purchasing a premium product with such a elementary design issue. Anyone knows when Apple plans to fix this keyboard issue? Must I wait for a 2018 model?