Sony VAIO VGN-TX3XP

The main problems for Sony are Dell's Latitude D420 and HP's Compaq nc2400. Not only are they cheaper, but they have three-year warranties (on-site and collect-and-return respectively) and dual-core CPUs. The Dell doesn't have an integrated DVD writer, but the £1,149 price includes a docking station with a DVD-ROM/CD-RW combo drive. Meanwhile, the HP costs £362 less than the TX3, albeit with the loss of several hours' battery life. For outright value, they both beat the Sony.

Make no mistake, though, getting a TX3 out on the train will draw envious glances, and if you can accept the modest processing power and warranty it's a great alternative to the Dell Latitude D420 thanks to the fabulous design, stunning battery life and integrated optical drive.

Author: Jim Martin