BenQ S6 Touchscreen Tablet PC with Windows XP and Wifi + 3G unit .. 

Battery may not last long, but working good with AC Adapter! Screen Size 4.8 inches Processor Intel Atom Wireless Type 802.11 B/G, 802.11B Operating System Windows XP

Intel Atom 800 MHz CPU,

Display 800 by 480 TFT,

Touch screen panel,

Memory 512MB DR2 SSD,

Bluetooth WLAN 802.11

Package Dimensions 9.4 x 6.6 x 3.1 inch

Flash Memory Size 2 GB