B&N would have gotten a bigger bang announcing this news on a day when Amazon was NOT reporting earnings.
Reuters: "The devices, which will also be available on the discount chain's website, will hit Walmart shelves as soon as October 24, Barnes & Noble said in a statement on Thursday. ...
Walmart will offer two Nook models -- Nook 3G, which offers free AT&T 3G wireless and WiFi connectivity, as well as NOOK WiFi, a WiFi only model."