Does anyone have any experience with using the Asus Zenpad Z10 in the field? We are considering this unit and I am looking for input on its suitability for deployment into the field with a rugged case. Particularly I am concerned about the accuracy and dependability of the GPS signal and the visibility of the screen in sunlight. Input on other factors is welcome. In past employment I have deployed iPad Air 2s in a similar setting so comparisons are welcome.