I have been using the less than one month,
I had no crashes, no reboot.
When the battery is flat (after 3:16 consumption and the screen), it s off but remains as is, when we back on that s not a reboot, all applications are there. As far as I can remember. I do not start it so that once a week.

J uses the Internet without having to install a virus, no problem, for after what they told me apple = no virus, so no update ... peace.

Output screen, adapter buy (even when TSSS 3o euros)

impecable design, c is bo, ca turns, it makes no noise. But not really.
j have recently exchanged files with a portable pc, c was the day and night noise levels.

the least: the number of USB ports. Clearly. Maybe the screen, but in the MacBook can find more. Size 13 "also has its advantages.
Bomb 13 "
Last note (17 May):
j appreciates intuitive management (and therefore limited it going together, though not so limited that ca) parameters, such as sound cards. J edirol my lighter and the sound goes directly into this one, almost instantly.
It changes Windws with whom I had to mess with my audio settings, turn off and restart the application ... phew!