Question Virtual keyboard help needed.

[Zatnikitelman]

I've got a HP tablet computer which I like, especially the touch screen, but writing can sometimes become difficult especially when carrying the computer. Windows of course had a bulit-in virtual keyboard under "Accessability" but this doesn't work well with the touch screen because of the size of my fingers.
Does anyone know of a good virtual keyboard (preferably a free [legal] download) that I can resize to fit how big I want the keys or at least one that's significantly bigger than the default Windows VKeyboard?
Thanks,
Zat