It's official: battery-powered all-in-ones you can schlep around the house are now a thing. First Sony released the Tap 20, then Lenovo followed with the Horizon and now HP makes three, with its newly announced Envy Rove 20. As the name suggests, it's a 20-inch PC you can move from room to room -- if 11.86 pounds can really be considered portable. As with other systems in its class, that IPS, 1080p display can lie nearly flat allowing you to use it as more of a tablet / twenty-first century board game machine. The difference is th