iPad is great for presentations
I hate to say it - if I can't get a bash shell it's not a computer - but the iPad is excellent for doing presentations.
First you connect it to a projector and it works !! No 10 minutes of messing around with Windows/laptop maker/graphic card makers incompatible setup screens.
Then it becomes a preview/remote control for the presentation, shows you thumbnails of all the slides, notes etc.
None of the projector showing your desktop for 5mins as all your corporate login stuff tries to work out why you aren't on the net, and then powerpoint startup and the powerpoint editing screen until you press f5 etc