Excellent if your device is in a case or skin.  Another ingenious mount from the Mountguys labs that is easy to attach and detach.  Utilizing an adjustable cradle to grip your device, it is securely held for watching movies, reading the newspaper, listening to music or using it as a GPS.  

The mount has a vacuum lock suction base.

This mount is made for using your device in landscape or portrait mode.

Fits many models including:

Acer Iconia A100

Amazon Kindle Fire

Apple:  iPad, iPad2, iPad 3 (The New iPad)

Acer Iconia A500

Amazon Kindle Fire

AOC Breeze

Archos 7c

BlackBerry PlayBook

Cambridge Sciences G7-II

Eken M009s

eLocity A7

Google Nexus 10

HP: Slate, TouchPad

HTC: Jetstream

LG G-Slate

Motorola: Xoom, Xoom 2, XYboard 8.2, XYboard 10.1

NATPC M009s

Samsung Galaxy Tab, Samsung Galaxy Tab 2 7.0, Galaxy Tab 8.9

Sony Tablet S

SuperPad

Tabtech: A816, M010s

Tabtronics: M009s, WM8650

Toshiba Thrive

Velocity Cruz T301

ViewSonic: gTablet, ViewPad 10, ViewPad 7

Vizio 8