High-capacity desktop drives have never been so affordable. Darien Graham-Smith puts 23 to the test to find the best

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.

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

Print, scan, copy and fax with one single device. We put 10 all-in-ones through their paces.

Play your video, photo and music files on your TV from a networked PC. We put five network players to the test

We put every current model from ATI and NVIDIA through its paces to find out which offers the best performance and value.

We know you want to play games, so we've put 18 PCI Express graphics cards under the microscope to see who really does the job the best.

All the current chipsets from both the big gaming guns – ATi and Nvidia – tested, reviewed and rated.

Now more than ever before bulk optical storage is available to the masses with the steadily falling prices of both the drives and media. This month we look at the feasibility of ditching that CD-RW drive in favour of updating to something with a little more room to grow.

Unlike many of our performance-based Labs, business workstations are a whole different world of PCs, focusing not on the maximum number of frames per second, or how many overall points they can churn out in any given benchmarking utility.

Testing anti-virus software is a tricky endeavour at the best of times, due to the inherent nasty nature of the test subject. For this anti-virus roundup, we asked independent anti-virus testing lab, AV-Test.org (www.av-test.org) to conduct the testing for us in their controlled environments. AV-Test.org has access to thousands of viruses, and is a respected anti-virus testing lab.

Print, scan and copy with one device; we round up six of the best all-in-ones.

From Celerons to Core i7s, Semprons to Phenom IIs, David Bayon tests Mainsteam desktop processors and finds the best budget, mid-range and enthusiast (gaming) choice for you.

The PC Authority Labs team runs about a million benchmarks and looks under the hood of the latest generation of GPUs to find which one's the best.

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

If your PC is less of a speed demon and more of a dinosaur then it's time to upgrade your CPU. We put the latest low, mid and high end processors to the test.

This month we’ve taken 12 of the fastest optical drives, run them through their paces and sorted the award winners from the less than impressive performers.

When evaluating multi-function devices there are four determining factors for ascertaining who has really got the goods. These are speed, quality, features and price.

The DVD standards battle on, and prices continue to drop, so is it worth buying a DVD burner now? We put an assortment of DVD-R/RW and DVD+R/RW drives to the test to answer that very question.

The results of the latest Australian Bureau of Statistics Small Business Survey were released earlier this year, and they contain some interesting facts about IT and small business in Australia. In Ju