Hewlett-Packard will announce its own twist on the tablet PC on Thursday, with a new kind of transformable computer that features a detachable keyboard. Tablet PCs are essentially 3- to 4-pound "ultra ...

The first Tablet PCs are a double instead of a home run: If each weighed about two pounds instead of four, with batteries that lasted eight hours instead of four, and cost around $1,000 instead of ...