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 first wave of Centrino Duo notebooks has arrived in Australia. We show you which ones deserve your cash.

Hard drives used to be the coolest thing - in the olden days, when all home PCs were slow, a hard drive was often a measure of how 'good' your computer was. For quite sometime, however, processor and graphics technology stole the limelight. Hard drives have been taken for granted - an ambient component that accompanies your sparkling graphics card and gi-normous heat sink.

External hard disks are a great way to add storage. We test 13, from sub-$130 portable drives to mighty terabyte desktop units.

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

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.