Add a battery life of at least eight hours, and ultra-ultra-portables could replace notebooks and laptops for most mobile professionals.

PS: Remember how just a few years ago people were so sure that netbooks would replace laptops?

My prediction, what we call tablets will replace laptops, especially if we could get around to JS2, and get a real development language.

Netbooks augment rather than replace laptops when it comes to portable computing.

Tablets like the iPad have started replacing laptops for many users who want the convenience of mobile computing.

"We don't aim to replace laptops," Mr. Senturia said.

But it also will replace laptops for many people.

The need to connect occasionally with a bigger computer limits the ability of hand-helds to replace laptops on extended trips.

No one expects DNA computers to replace laptops or other computers based on silicon.

No, they won't replace regular laptops and the sole reason is Intel's greed.