The key feature of the Fujitsu-Siemens LifeBook S2110 is the AMD Turion processor, because this is the first professional Fujitsu-Siemens laptop to use AMD hardware.

That may sound like a significant breakthrough for AMD, but the Amilo A series has used Turion for some time now, and you could buy an S2110 under the Fujitsu brand in the US before Christmas, but all good things come to those who wait.

A professional laptop is all about mobile working so the 1.9kg weight is important, as it makes the S2110 highly portable. This is a true weight that includes a DVD-RAM drive in the modular drive bay, but if you're desperate to shave off a few grams you could plug in a weight-saver instead of the optical drive.

It would probably be more practical to buy a second 3800mAh battery to go in the bay, though. While it will cost over £100 you can expect the second battery to increase the working time of the main 5200mAh battery from two and a half hours to closer to four and a half hours.

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Weight is only part of the portability equation as we also have the dimensions to consider. These have been kept down to 293 x 236 x 33mm as the screen measures a relatively small 13.3-inches on the diagonal. For those who would prefer to think in metric that's 338mm, and the consequence is that the resolution is restricted to 1,024 x 768 pixels, although you can increase it to 1,600 x 1,200 if you plug in an external monitor or projector.

The innards of the S2110 ought to be the most interesting part as the unique selling point is the Turion processor, but the ATi RS482 chipset and SB400 Southbridge simply do their job without drama, while the Radeon Xpress 200M graphics are the sort of thing you expect in a business notebook, i.e. of no interest to gamers.

But the processor merits a closer look, if only because Turions are relatively rare. This Turion 64 Mobile MT-34 is a lidless Socket 754 processor from the Athlon 64 family that runs at 1.8GHz and has 1MB L2 cache. It supports 64-bit software and has the hardware Enhanced Virus Protection feature that prevents buffer overflow attacks. Although the Thermal Design Power rating of 25W for the Turion is very low we noted that the section of the chassis that covers the processor got rather warm in use.

Add in 1GB of PC2700 memory in two 512MB modules and a 100GB hard drive and you've got a decent specification, although a Pentium M would certainly offer more performance. But the real strength of this notebook is its chassis and build quality. In particular the keyboard is well laid out with a good solid feel when you type, and above it is a row of dual-function buttons with a single row LCD display that can be toggled between application mode and DVD playback mode.

One oddity is that all of the ports are arranged along the back, along with the wireless on/off switch, with the modular drive bay on the right and the single PC Card slot on the left. So there are no USB ports easily available when you want to plug in a mouse.

A neat and tidy AMD Turion notebook that has excellent build quality and superb battery life. The screen and keyboard are great for business users and the specification includes all the essentials you need to keep working on your travels.