Newegg has the MSI Wind Top AE1900-01SUS All-in-one PC 18.5" Touch Widescreen for $530 - $30 rebate [Exp 7/5] = $500 with free shipping. [Compare]

Intel Atom 230 1.6GHz, 1GB DDR2, 160GB SATA, DVD Super Multi

Intel GMA950, 802.11b/g/n, Webcam with Microphone, XP Home