I've never had the Classic, but I own the Nook Touch.
This is my standard Reader for epubs. I highly recommend it. The only shortcoming (and this is my opinion) is an inability to directly delete files and a wonky Bookshelf. Other than these two issues, the Reader feels great and files load quickly. I have over 1,000 ebooks on it.
I use my Kindle 3 for everything else, and I love it, too.
Don
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