HP Compaq tc4400 Tablet PC HP Compaq tc4400 Tablet PC http://www.zdnet.co.uk/reviews/tablets-and-umpcs/2007/03/05/hp-compaq-tc4400-39286168/ The HP Compaq tc4400 is a convertible Tablet PC offering decent battery life, although we recommend adding more RAM to boost performance — especially if you intend to upgrade to Windows Vista. Builtin fingerprint recognition, Dual cursor control system, Attractive price, Hardware button for WiFi and Bluetooth, Good battery life No optical drive, No FireWire port, Active rather than passive touchscreen The HP Compaq tc4400 is a convertible Tablet PC offering decent battery life, although we recommend adding more RAM to boost performance — especially if you intend to upgrade to Windows Vista... https://www.cnet.com/topics/laptops/products/ The HP Compaq tc4400 convertible tablet offers decent performance and battery life, though we recommend adding more RAM ... Good battery life; responsive keyboard; fingerprint reader; ambient light sensor automatically adjusts screen brightness A little heavy for holding in one arm; base configuration could use more RAM; lacks a FireWire port and a built-in optical drive The HP Compaq tc4400 convertible tablet offers decent performance and battery life, though we recommend adding more RAM ... https://www.alphr.com/laptops/26337/hp-compaq-tc4400-review Its extremely rare that a product spends its whole life on the A List, but thats exactly what the HP Compaq tc4200 managed to do. However, after spending an incredible 15 months as our top choice for a tablet PC, the time has finally come for a re...