B&H Photo Video offers the Gameband Redstone for Minecraft
in Large, model no. MC0801L, for $45.99
with free shipping
. That's the best deal we could find by $3. It allows you to back up worlds and play them on the go. It's preloaded with Sethbling, Hypixel, and Dragnoz maps, Minecraft demo, has 8GB of storage, and is compatible with Windows, Mac, or Linux OS.