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.

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

It may lack eSATA, but this is a fast and cheap terabyte drive.

Nothing incredible in terms of design, but it’s an impressively cheap way to get quad-core in your PC.

Cheap and functional, but rivals perform better.

Impressive Blu-ray performance from the cheapest card on test.

Video capture and two full games of your choice make this a Decent alternative to the 7600 GT.

The 19" LCD fits now represents outstanding value for money, and is so much nicer to use than a 17" screen. We round up and test the best.

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

Strong on data security measures, this drive is a stand-out.

Light on features, but it’s tiny and ferociously quick.

Stylish, quick and cheap but not Particularly small.

Silent, powerful and cheap: the ideal card for media centres.

Another card for media centres offering Avivo at a low price.

Poor 3D performance but a good choice for HD video playback.

An old standard, but one that still provides decent performance at a great price.

Impressive speakers and sleek styling help to compensate for the average image quality.

A powerful and well-equipped touchscreen PC, but is Dell's all-in-one really the future of the home desktop? Read our full review

Is your PC’s hard disk getting cramped? Invest in an external hard disk and never again worry about running out of room.

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.