dealskobo mini 5" e-reader - white for $39.99

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These are also carried by Best Buy, so you might be able to get a price match if it's more convenient (and the shipping should be free on that site I believe.)

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Also available DIRECT from Kobo at http://www.kobo.com/kobo-mini.html plus $8 shipping for a total of $47.99

(Remember that Kobo is a Buy.com-owned company)