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 winner on the strength of its excellent protection, coming first or equal-first in our malware and firewall test.

With Windows 7 arriving soon, is now the time to upgrade to 64-bit? Here's the first part of our guide to everything you need to know

How much capacity and how many drives do you need? We look at a selection of storage options

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

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

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.

Cheap and functional, but rivals perform better.

Breathtakingly lightweight, but detection rates could be better.

A modular scanning tool that catches most unwanted software – but not quite all

A professional product, but it's a poor performer for the price.

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

Great gaming performance has never been so affordable. We test 22 current cards from Nvidia and ATI to find what works and what doesn't

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.

How important is RAM size to the way we use 64-bit Windows? And are there other ways to get around the problem? We offer a couple of tips to get you through your 64-bit RAM blues.

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

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

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