The David Pogue column in the New York Times caught Jim Hamm's eye, and it's a quick scan about the frequently asked questions on the iPad. Here's the link. He gets right to the point, and ends up with, "But I'm telling you, the multitouch screen/software makes it very, very different from a laptop, and the screen size makes it very, very different from an iPhone. It's something entirely new. So yes, if it appeals to you, you'd have to buy it in addition to your laptop or iPhone."
Ginger Carlson finds more: "Check out this link about the iPad."