Through T-Mobile, the 7 and 10-inch tablets come with 200MB of data per month for 24 months.
In a Mother's Day sale, you can pick up the Nook HD and Nook HD+ for as low as $149 and $179, respectively.
Barnes & Noble's Nook division has a rough fiscal third quarter. However, the bookseller hopes to reverse the decline with the launch of a new Nook color device later this year.
The bookseller's Nook business generates $125 million for the nine-week holiday period -- a 60.5 percent decrease compared to last year.
From March 24 through 30, Barnes & Noble will throw in a free Nook Simple Touch when you buy its larger HD+ tablet.
The service was already available in the US, and allows aspiring authors to publish their own books and sell them through the Nook platform.
Barnes & Noble is ceding the tablet market to larger, deeper-pocketed competitors and focusing on its digital book business. But that means going up against Amazon in a tough mano-a-mano fight.
That's the lowest price I can recall seeing for any Roku box ever. But supplies are limited.
20th Century Fox and NBCUniversal programs will be available as the new tablets launch this week.
Microsoft is set to take the wraps off a new generation of Windows-powered Surface tablets today -- the Surface 2 and Surface Pro 2.