The naming convention of the iPad HD (if it's called that) presents a number of issues for apps that are currently in the store. Many of them use the 'HD' tagline. What happens when they don't support the retina display. Do you expect the developers will update the graphics or will they start releasing new apps that offer support for the iPad HD.
Are you willing to pay more for iPad HD apps?
Are you willing to pay more for iPad HD apps?