Sony NW 150
2 Ghz, Dual Core
4 GB RAM
320 Gb Hard Disk

HP DV6-1352DX
2,2 Ghz, Intel C2D
4 GB RAM
250 Gb Hard Disk

HP DV4-1445DX
2.1 Ghz, Intel Core 2 Duo
4 GB RAM
320 Gb Hard Disk