This Microsoft Surface RT 32 GB with Black Touch Cover drops from $449 to $399 at Walmart.com. Plus, the shipping is free making this the best price we could find for the tablet with the keyboard cover by $29. This tablet runs Windows RT and comes pre-installed with Microsoft Office Home and Student 2013. It's also equipped with a quad-core processor, 2GB of memory and 32GB of storage, a front and back 720p camera, and the soft-touch, spill resistant keyboard cover. Sales tax is charged in most states.