Display. The screen resolution of 1024 x 768 is identical to the resolution of many desktop displays (although smaller in size). This allows many websites to appear as they normally would.
Size. The physical size of the iPad mini make it much more portable than a laptop computer or larger tablet.
Case. There are many cases available for the iPad Mini. One of the best and least expensive is the Belkin Dot Cover with Stand shown below. [Buy] The Belkin case fits well, has a camera hole, covers the front and back of the iPad Mini, and provides multiple positions of operation. Click an image below to enlarge it.
Keyboard. Using a full-size wireless keyboard like the one shown below from Apple makes it possible to turn the iPad Mini into a notebook/laptop computer. [Buy]