I have always been a PC guy. I am in the investment business so for years I wouldn't consider anything Mac. The iPad has been a game changer. I use it for 90%of everything I do. I'm typing on it now. I still have the PC for trading and hard core analysis work, though I bet I could dock this and it would be just fine, though storage would be an issue.
If you have the money get the iPad you will find uses for it that you hadn't even consider. I download a repair manual for the motorcycle I am working on and I have the iPad standing up on the bench so I can thumb through it. When aging eyes can see a part clearly I simply expand the view. If I still have a question I post to a forum while I'm working and usually get an answer before I'm back from the bathroom, that's if I haven't taken it in as my reading material. Any question can be Googled at anytime, I have wifi and 3G
Last night I downloaded topographical maps for some land we just bought. I'll be walking the land with the tracks on and marking where I'll be building certain buildings. I can then plan out all of the site work and use the GPS to make sure I'm on the right spot.
Sorry to sound like an ad, but this thing is a game changer. If you travel at all for business you have all the business intelligence you could ever want right at your finger tips.
The iPad might be the best $900 (all the bells and whistles) I've ever spent.
Ask me what I really think...