You say "Installing Linux is really easy", but in my experience installing Linux on a Mac is really involved. It could be the case that it has become easier. Would you say it has become significantly easier with newer models?

There are some instructions for installing Ubuntu on a Mac here: https://help.ubuntu.com/community/MactelSupportTeam/AppleInt...

It involves installing a bootloader (rEFIt, which starts GRUB), partitioning in OSX, partitioning in Linux and variants for different possible desired outcomes. After this, one should consider model-specific instructions for getting more details right (See https://help.ubuntu.com/community/MacBookPro)

Finally, in my experience, it will be a little off. The trackpad won't act just right, the backlight of the screen will have full brightness when starting X, etc. ("Thunderbolt Support Still Has Problems On Linux", December 2012 http://www.phoronix.com/scan.php?page=news_item&px=MTI1M...)

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Is this what you consider "really easy"? Does it fulfill the requirement "The hardware must work well with linux"?

As far as I can tell it isn't, and it doesn't, but please enlighten me if you disagree :)