Originally Posted by bill_mchale
I wouldn't agree with that at all. It might often be true, but sometimes certain brands will charge more simply because they can (They are more trusted by the public). Also in a market like ebooks, Sony might sell its reader for less with the belief that they might make more in the long run from their ebook store (likewise for the Kindle). Third party brands that support multiple formats know that all the money they are going to make is based off of the hardware, so they have to make their money upfront.
That would seem to explain the pricing schemes that I've seen.