Okay I don't have an iPad although I have come close to buying one over the years. Now I'm very interested in the Surface tablet. When my travel laptop, which I have had to restore a couple of times back to factory settings to speed it up, to finally bites the dust one or the other is certainly going to be on my list.
While doing research on the two, I found this website for Topher Straus who uses his iPad to finger paint and then print the images onto an elevated metal surface. Very cool and interesting idea.