I've fully bought into the TabletPC paradigm shift. I bought a Toshiba TabletPC when they first came out and used it on a daily basis to document my business meetings and sketch computer systems architecture.
Remember that it's not always about the driving experience: there is still the living to make and the geek gear to enjoy. My favorite geek gear is my Tablet PC. Haven't ever seen one? Look into it, give it a try, it will absolutely change your entire computing paradigm.
Wonder how to find other professionals to discuss? Join us on http://www.linkedin.com/groups?gid=66744 in the Tablet PC Enthusiast group to talk about what we're doing professionally with these - and it's not all in the corporate world either.
Wonder where the platform is going? Watch this cool demonstration: