The iPad is a nice device but there is really not a good place for it touring IMO. The iPhone is much more practical and its only down side is screen size and even that after I have had one a few years I have found is actually just big enough without being too big. The internet connectivity while mobile is nice but not totally necessary, as mentioned above you can connect wireless so many places now. The GPS doesn’t require the internet to work and there are apps that let you store maps on the iPhone and are much faster than waiting for maps to come over the air.

When the iPad came out I was tempted to get one but really couldn’t think when I would be using it much different than I do it now on the iPhone.