HP has added three more Core
Duo laptops to its lineup with the introduction of the nx9420, nx6310 and nc6320 models. All three feature 17-inch
widescreen displays. The nx9420 (pictured) has a four-hour battery and an ATI Mobility Radeon X1600, and weighs in at
7.3 pounds. The nx6310 and nc6320 are somewhat lighter at about 6 pounds. All models include dual layer drives and
WiFi, biometric security and 7-in-1 memory card readers.