Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

David Fearon explains how to save energy and hassle by converting your old Windows XP PC to a virtual one that you can run on your Vista machine

After the disappointment - perceived or otherwise - of Windows Vista, many are pinning their hopes on a revival with Windows 7. And from our first impressions of the pre-beta code, that's exactly what they can expect.

Stack your system full of software without paying a penny, with our guide to essential downloads

Choosing a CPU for your PC isn’t an easy task. Here are our picks for budget, mid-range and high-end systems.

Beautifully engineered and constructed, the Mac Pro is also the fastest PC we’ve ever seen by some margin.

David Fearon pulls apart the tiny notebook, and asks why Intel and Microsoft can't match the excitement.

Prepare to say goodbye to the Pentium as we reveal the next generation

Devices that attach storage to the network aren't new, but until now they've been either very expensive or limited in ability. But this little marvel from Asus changes all that. The WL-HDD can put a hard disk on the network with no drivers or client software required, and it can do this wirelessly via 802.11g.

We never thought we’d see it happen, but now you can run Windows XP natively on a Mac.

For a DSLR that does everything an amateur is ever likely to want, with a terrifyingly cheap price tag, look no further.

The 450D’s superb sensor makes it the best choice if quality is your priority. It doesn't beat the Sony A200 for value, but for the best quality below $1500 the 450D has the edge.

There may be two main CPU manufacturers, but picking the right processor is anything but simple. We put 51 CPUs through their paces

The 915 is an good budget choice, but elsewhere this family is eclipsed by newer offerings.

An expensive board, but a fascintating way of getting a powerful, quiet system, especially if you're prepared to tweak.

In the past, Palm's approach to PDA design has been clear: keep things simple and produce slick devices with adequate specifications for note taking, appointment tracking and contact organisation.

Plus, how we work out the ratings.

A beautifully tiny computer-on-a-board that you should only consider if you have a specific use in mind

The A330 is a competent, fully featured and easy to use DSLR, but a backward step in some respects.

A cheap, lightweight choice for single-core applications, but you get the performance you pay for.