Lenovo has a lot they are announcing this year at CES, but one of them is a bit of a secret. Tentatively called WRITEit (or WriteAnywhere, they have not decided), the software is in its alpha stages though they may have it for release before summer.
WRITEit is what Microsoft should have built into the OS as it lets people use a stylus anywhere there is a text box in Windows.
Full story from the WindowsCentral blog...