9.7-inch: Apple iPad
Desc: Display that fell between the small smartphone screen and the bigger notebooks.
Adv.: This size was a good fit for displaying web pages in the browser, a frequent task performed on the tablet.
7-inch: Samsung Galaxy Tab
Desc: More mobile than the iPad.
Adv: Comfortable to use in the hands for extended periods.
Displays enough on the screen at a time to be productive.
10.1-inch: Samsung Galaxy Tab 10.1 and the Motorola XOOM.
Desc: A little bigger than the iPad, and typically have a widescreen format as opposed to Apple’s 4:3 aspect ratio.
Narrower than the iPad but slightly longer in the portrait orientation.
8.9-inch: HP, LG and Samsung.
Desc: Close to the size of the iPad’s 9.7-inch display, but a bit more portable.
Adv: Appeal to those who prize mobility above other criteria, yet find the 7-inch display to be too small.
Disadv: Loss of portability the bigger form provides. More expensive.