I think marketing and a focused message. With the iPad, you know Apple is going to iterate until it gets the experience right. As a consumer and developer, you'

I think marketing and a focused message. With the iPad, you know Apple is going to iterate until it gets the experience right. As a consumer and developer, you're willing to invest your time to learn the product or develop applications for it. With HP, you're not sure if it's a novelty item that they'll cut next quarter.