Many believe 8-inches to be the sweet spot when it comes to tablets. That is, they are usually compact enough to hold in one hand and a good size for consuming video as well as short interactions with social media, email, and games. For typing, not so much. Usually the smaller keyboards designed around these small tablets are ergonomic nightmares that suck the joy out of typing. HP's ENVY 8 Windows 10 tablet tries to give users both. A full-featured Windows 10 device (with 4G-LTE connectivity to boot) and an accessory keyboard that's more for a 10-inch device and stable. Check out the design video above, this device is going to be on many people's want list come Novemember when it ships.