Besides the forums, the MR Wiki is full of detailed information. Good luck. (are you writing reviews?)
Our great Wiki of information
E-book_Reader_Matrix
E-book_devices
I think that unless you know someone who owns a Reader that you can touch and play with, that most stores will have their display models locked down.
Just a suggestion: you can visit various sites (including this one
) and see how they write their reviews as a model for your review.