Windows 7 might be a while off, and Apple might beat them to it, but it looks as if the future will mean more images, more sketches.
Windows 7 to get integrated touch features? – Engadget
Regardless of how Tablet PCs have actually done in the marketplace, Microsoft has always been a staunch proponent of touch interfaces, and it looks like the next version of Windows, currently under the codename Windows 7, will bundle in multi-touch features like those found in the iPhone and Microsoft’s own Surface.