Would I have an Internet connection? Would I have electricty?

If yes to the above, then my laptop is at the very top of the list.
Otherwise, taking my laptop wouldn't be very useful, since once the battery died, I'd be SOL.
Failing electricity and an Internet connection, I'd bring:
Books (if I had to limit myself to one, it would be my big collected Shakespeare book - not because I'm that much of a geek, but because I think it's something I could reread over and over and over again, no matter what mood I was in - I could find a play or a sonnet or something that suited my mood.)
A telescope (If I'm on a deserted island, then there would be little or no light pollution - which makes it hard to see anything through my telescope now. It would be amazing to be somewhere where I could actually see things!)
My camera (Although again, the electricity thing would be an issue. But maybe I could bring extra batteries??

).
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