Got this from a cousin, who is a avid photographer: http://forums.camerabits.com/index.php?topic=5603.0
another case of cluelessness from people who want the ipad to be a computer. perhaps someday, apple will release a tablet computer, a touch-screen macbook of sort. it won't be as thin, light, inexpensive as an ipad. it will run osx, and have the complexity of a full-blown computer. in other words, NOT for the ipad target market.