I totally disagree. Think about students in a university carrying just one of these around instead of all the spiral notebooks, 3 ring binders, huge textbooks, laptops, pda's, cell phones.
Then there's businesses - did you watch the demo of the guy having the thing in a docking station with a keyboard and mouse and 2nd monitor?!? Totally cool, and then when there's a meeting take it with you.
There's a lot of people that can type worth a
[email protected] (you know who you are!

). Look at the pen/writing interface! It's WFN (Wicked F'n Cool).
I think this is the future of computing - to replace desktops, laptops, and PDA's.