9. ViewSonic TD3240
Digital signage and computer input device become one with the ViewSonic TD3240, a 32-inch VESA-mountable HD display with projected capacitive 10-point touch input capability and stereo sound. The IPS panel delivers 1,920 x 1,080 pixels at viewing angles close to 180 degrees. Its scratch-resistant glass is well-suited for education and retail environments, transportation centers and other high-traffic kiosk applications. The TD3240 provides inputs for VGA, DVI and DisplayPort (with adapter). It lists for $3,059 with a three-year warranty. There's also a 27-inch version.