to make it more clear, there are 2 laptops in my head:
the first one is toshiba satellite P20 series: P4 3.2 GHZ HT technology (hyper threading technology), 1 GB of RAM, CDRW+DVDRW, Wi-Fi, Nvidia 64 MB, 17 inch wide screen..4kgs, 2 hours battery
the other one is a toshiba tecra M2V series: Centrino 1.7 GHZ, 512 DDR Ram, Cdrw+ DVD, 14.1 inch screen, Wi-Fi, 2 kgs, nvidia 64 mb, 10 hours battery....