Have used for 2 years.  Purchased at BestBuy+ Looks Great+ Exterior case well made and durable+ Good keyboard feedback+ Small - easy to fit in any bag+ on-key indicator for function lock (never realized how important+/- Tablet feature is nice but never used as it is too heavy to be a proper tablet- Had to get warranty repair of cooling fan failure after about 2 months- Metallic keyboard keys difficult to see in some lighting conditions- Battery needs to be replaced - currently only lasts ~2 hrs from full charge despite having used Asus battery management to avoid full charging except on extremely rare occasions.- Relatively heavy- Occasionally returning from 'sleep' goes into portrait display mode and then have to work sideways to locate option to restore to landscape mode.  Have found no solution for this issue.