I'm going to have to spring for one or more tablets (iPad, Tab, whatever) for testing ePubs, digital magazine ads, site rendering, etc. Because I don't have the consumer nature and also because I'd like to get the best return on investment, I'm interested if any of these devices is also productively usable in a design workflow.
One could throw a portfolio onto a tablet for client presentations, of course, and Adobe has published an app that allows touch control of Photoshop, which might have potential.
It may be a year or two early to ask this question, but does anyone here have personal experience incorporating a tablet device into their web or general graphic work, whether in the studio or on the road? If so, did it prove useful?