I have both the nook and nookcolor and have no problems with the units, I get all firmware updates. When I wish to buy a book or subscribe to a magazine I use my desktop computer and an IP masking service.
I then can download the items to my readers. With the rooted nookcolor you can use alwaysVPN on that and buy direct (but I rather use my desktop computer)
to be honest I don't see many limitations at all..
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