I recently bought this scanner to use with my Windows desktop and PowerBook 12". It is a great scanner, but does anyone else have experience with it? My problem is that, when I use it with my PB (which is most of the time b/c I keep all my pictures in iPhoto), after scanning for a while, the scanner light will stop about 3/4 through the pass (on a preview) and the program will lock up. It locks up so bad that I have to hold the power button on my PB to force shut down (force quit doesn't kill it all the way). I have not used this enough on my Windows machine to test to see if it does it there, but I was using it tonight for about 1 hour or more and it did it. Is the Mac version of the program just buggy and causing the scanner to freeze? Any help would be appreciated.