There is no doubt in my mind that a Tablet PC is more flexible and would be tremendously useful to me in my work. I like working off a digital device (although there are times when I want nothing more than my Moleskine notebooks) and when it comes to working with documents, being able to work with my documents in portrait orientation is an absolute win. I have scanned a number of my files at work and regularly search them and work off them on my office laptop (never buy a laptop with a conventional Pentium 4 processor – it sucks the battery dry in under 2 hours). The problem is that when your screen is still landscape and your documents are best viewed in portrait it can be really frustrating. Of course, having a pen interface is also really cool.
Kathy Sierra discovered the potential of Tablet PCs in the context of mind maps and there is really little doubt that you can do things on a Tablet PC you just can’t do on a laptop. If only the silly things weren’t so expensive and underpowered compared to their more fixed cousins. Of course, this whole discussion is a little pointless because I don’t have the money for a new computer, whether it be a laptop or Tablet PC and if I did have cash to burn, I’d probably go for a Powerbook anyway!