I do agree with most of what you said, but, still, I do have a desktop PC and a multi-function, wireless printer/scanner/copier on board Olivia. In fact, only a few days ago, I purchased a new PC. An HP Envy Rove 20 all-in-one 20 inch touchscreen PC. It looks like an uber iPad. The reason for this set-up is, that 1) we do have a desk in Olivia and 2) some business work is still best done using a PC. However, I am also typing his post on my IPad, which gets the most use of them all. Using an IPhone for more than occasional, quick peek at email, is, IMHO, much too cumbersome. Of course, if nothing else is on hand, the iPhone is the next best thing one can have for all sorts of activities. If I had to chose just one solution, it would be th iPad. Hands down.
Cheers,
Ronald