I agree with BG that a 17" laptop makes zero sense if you're concerned with portability and weight. In fact, you can save yourself some dough and get a lighter design by going with either a Macbook or the very-skinny Macbook Air.
Frankly, if I were buying a laptop for email/notes/browsing today, I'd think very seriously about the EePC. Now that's a hot ticket at a good price.
I know one person who has an iPhone, and she's very happy with it. As an engineer buddy put it, "You take the 20% of features that people actually use, slap a good interface on it, and you got yourself a hit."
Can't offer any personal insight, however.
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Wiki info on EePC.
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