You've been raising some big questions in the forums about 64-bit. Here's our FAQ to 64-bit Vista vs XP, and whether it's worth the hassle if you're not a workstation user, but a gamer or power user.

Although the mobile marketplace has been changing in the face of Centrino and the slow but gradual tablet PC adoption rate, large form factored (greater than single spindle) notebooks are still the order of the day.

The KYRO II chipset differs significantly from the other solutions on the market. It uses a technology known as tile-based rendering to achieve peak performance, rather then the brute force solutions employed by competing chips.

Are 64-bit operating systems compatible with your computer and existing software releases? Is it really worth the hassle

At least according to Sony. And they'd very much like to market to the other four houses.

Microsoft Australia has confirmed a global rumour that the next 64-bit version of Windows XP will only be available to OEMs, including local system builders, and resellers.

Slim and stylish, this isn’t the most powerful quad core we’ve seen, but it’s by far the cheapest.

A mighty dual-GPU board that makes light work of even today’s toughest DirectX 10 games.

A mighty dual-GPU board that makes light work of even today’s toughest DirectX 10 games

In the workstation graphics market, the name 3Dlabs carries considerable weight, and its Wildcat III series of OpenGL cards continues to be dominating in the high-end workspace. However, in the mid-range sector, NVIDIAs Quadro2 and Quadro4, and ATIs FireGL 8800 have made serious inroads. The new Wildcat VP870 looks set to redress the balance, thanks to a brand-new GPU that takes programmability to a new level.

Climb the steps all the way to Windows guru status with our invaluable selection of tips and shortcuts for XP and Vista.

Best-selling games console in the world.

Back in September Hercules impressed us all by blowing away the competition in our 3D graphics card Labs..

Nvidia’s remix of the popular netbook platform lends Intel’s stripped-down Atom some added Graphical clout. We test the technology to see how it performs

With MARS, Asus managed to do its own version of a "beyond GTX295" dual GPU card. It has two full-speed GTX285 cards per slot, a total of 2GB RAM, a full complement of 240 shaders and 512-bit buses per GPU

It may be affordable, but we’d rather spend a little more to guarantee some genuine gaming ability

A blisteringly fast processor, strong build and stylish design make this an extremely attractive laptop

The most fully-featured notebook we’ve seen, but price will determine just how desirable this stylish notebook really is.

Download the bookmarks to the 50 Web Secrets websites feature from PC Authority September 2007.

World's fastest now even faster.