Fifteen security packages go head to head in our labs test, including Kaspersky, Norton, ZoneAlarm, McAfee, F-Secure and AVG. Find out which will keep you safe and which could let you down.

We test nine devices, from the simplest printers to versatile multifunction devices that print, scan, copy and fax

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.

ATI’s 40nm GPU is an exciting development and takes over from the 4850 as the best mid-range card.

Will splashing out on expensive RAM make a real difference to PC performance? And if so, how much should you buy? We supply the benchmarks and lay the details bare

Still not sure whether it's worth upgrading to Vista? We put XP and Vista through the ultimate face-off.

Beautiful double-sided prints, but it takes its time

LGA 1366 is Intel's first new desktop socket in four years. It uses the same ZIF design as the familiar LGA 775 architecture, but it incorporates many more contacts

Our former champion loses its crown but remains a strong contender.

Small and cheap, but it’s costly to run and quality isn’t the best

A big improvement from Microsoft, but there’s still some way to go. OneCare can now call itself a serious security contender.

When it comes to getting real work done, there’s still nothing to compete with a laser printer’s combination of quality, speed and economy. We tell you how to choose a busines laser, plus review 3 examples.

From personal printers to home office colour, we put 12 lasers through their paces. Some are lightning fast; others produce dazzling colour. Some are tiny, and some are surprisingly cost-effective.

A quantum leap in usability over the previous version, although malware protection could still be better

With so many factors to consider, choosing a motherboard can be a bewildering exercise. We put 11 models through their pace to find the ultimate in performance, flexibility and value

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

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