One of the cool things about the Motorola Atrix 4G is the laptop dock. This accessory lets you connect your smartphone to the laptop shell and continue using the phone with the benefit of an 11.5-inch touch screen, full keyboard, and Firefox browser.
It's a costly accessory, however. You can buy it bundled with the phone for $499.99, but that's after a $100 mail-in rebate and a two-year contract and tethering add-on. If you don't want to go the tethering route, you can buy the dock separately (no phone, Wi-Fi connection only) for $499.99.