..they want to live in straw bail houses, eat organic food, don't get their kids vaccinated etc...
.. And have iPhones
Off-line Wikipedia would be real good. Love the wikireader, but the screen is boring and goes off after a few minutes.
I'm sure with a 8-16GB memory card we could liven up the text based wiki with a few 16 shade greyscale pictures.
You will lose an important tape file.