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.

Could you really replace your home or business broadband with a mobile dongle? Our broadband buyer's guide names the best plans, the most attractive deals and the best value for money.

We look at another common marketing tactic used by TV manufacturers to convince you their flat screen has the best possible picture: the refresh rate. Here's what you need to know

Here's our quick guide to buying a cheap laptop that isn't a pile of junk - from CPUs, to graphics, to price and other specs.

We've tested a massive 25 netbooks to provide a list of the best and worst mini laptops, with one surprise winner. Also, see our big TV set top box guide, in the new issue of PC Authority

If you're buying a flat screen TV, expect to be bombarded by specifications and features, including some incredible brightness and contrast ratios. Here's what you need to know

Decide whether it's finally time to ditch Vista by installing the full working version of Windows 7 Release Candidate. Plus: our digital camera buyer's guide, ultimate laptops and more.

New backlighting technologies like LED and RGB Dynamic LED mean better a picture. Here's what you need to know

If you are buying a big flat screen LCD or plasma TV, there are some important rules of thumb to keep in mind. Here's what you need to know

Are all-in-one PCs the next big thing on the desktop? We've already seen Dell's Studio one 19, and Sony's Vaio Panel PC, and now BenQ has launched the all-in-one nScreen i91.

Bundled deals that include your phone and broadband certainly look like great value on paper, but it pays to do your sums. Here's what you need to know

Pre-paid wireless broadband is in vogue right now, and offers an attractive way to get a good deal without a 24-month contract. But how much are you really saving?

Excess usage fees are one of the worst potential ways broadband deals can hit your hit pocket. If you're signing up for broadband and you haven't looked into the excess fees, read this.

If you're on a plan that has excess charges for usage over the quota it's a good idea to switch. Here's what you need to know about shaping options and reserve tanks

Can naked, bundled and pre-paid plans save you money? The short answer is yes, but how much can they save you?

The new kid on the wireless block increases its data quotas, and offers some handy advantages when compared against the likes of big guns like Optus and Three.

Looking for a laptop that can take more punishment than Sly at the end of Rocky? Then cast your peepers over Dell's new Latitude E6400 XFR, a 14-incher designed for building sites. And warzones.

I once heard my local Blockbuster manager cruely toying with a hapless punter by describing Blu-Ray as a "government conspiracy". Not any more.

With the recent changes made possible by the iPhone 3.0 OS, Mobile Foxtel is finally unleashed onto iPhone handsets. But the big news is the improved video stream.

This is one of the big traps for unwary broadband users, and avoiding services that meter uploads is a good idea, especially if you're a user of peer-to-peer (P2P) services like BitTorrent.