Both will be OK if they have SSD storage. My MacBook Air with 500MB SSD is over four years old and has stood up to many trips. Cheaper machines might not. Place a hanky between the keyboard and the screen to prevent rubbing.
Because I continue to use Mapsource I run a Windows XP virtual machine using Parallels Desktop. Mapsource then opens in a window on the Mac screen.
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"For sheer delight there is nothing like altitude; it gives one the thrill of adventure
and enlarges the world in which you live," Irving Mather (1892-1966)
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