++ Runtime on battery (OS X Mavericks)
++ Display and graphics performance
++ Trackpad and gesture control on OS X
+ Processing
+ Keyboard
+ Weight
+ Dimensions
+ Handling
- Only with difficulty be extended
- Battery permanently installed (as though in most ultrabooks)
- 128 GB Storage are fast enough, there are no handeslüblichen SSDs installed> Upgrade expensive
Performance under WIN7 I have not tested it, but expect similarly good results, wengleich the battery life is not to be quite as great as in OS X.