I don't see much difference in contrast, but I never minded the 600.
The big difference between the two, for me, is that the 900 justifies epubs. Plus I like that it is a bit bigger. The less I have to turn the page, the better.
I'm not sure where my case is, but it's huge. I would never use it for anything except possibly to pack the 900 in a suitcase to be sure it's protected. I think it's way too big for everyday use. But I have read that others do use it just that way.
-Marcy
Last edited by Marcy; 03-10-2010 at 01:13 AM.
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