0291c7f5_PC_form_factors___The_Register__Portability
[TYPE] Ultra portables [Large screen & keyboard] No [Battery life] Good [Performance] Adequate to good [Breadth of Apps] Good [Most suited for] Work-everywheres, Frequent travellers, road warriors [Portability] 
Very Good
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V e r y G o o d
Unravelling PC form factors • The Register
Portability