A Bug's Life

There are various projects using cheap tablet PCs (or touch-screens linked to a hidden PC) which do related things and can also play films. The main issue would be that the software would be much more hacked-together than I think you want - you'd have a webpage for you Tescos order but you'd need to create the order yourself, there would be no neat streamlining, then you'd need to fire up a different program for your reminders (and a different one again for movies).

Hmm, interesting. I could see this being very useful. Although the suggestion above about a magnetic iPad case doesn't seem a bad one since there are already a few online shopping apps for the iPad (at least Tescos and Waitrose, I think) plus some very decent calendars ...