10. ViewSonic VSD220
ViewSonic gets even more specialized with the VSD220 Smart Display, a 21.5-inch-high 1,920 x 1,080 LCD display with a built-in dual-core OMAP-based computer running Android 4.0. Currently listing for $399, the VSD220 includes a two-point touch screen, webcam and mic, USB ports, HDMI input, wired and wireless Ethernet, Bluetooth, built-in stereo speaker, stand, VESA mount and soft keyboard. Intended applications include kiosk, self-service terminal, digital signage and waiting-room entertainment.