Online services are growing smarter by the day – but can they replace desktop applications? We spend a week working online to find out.

According to Software as a Service providers -- who want you to run your business online -- SAAS has come of age. We put it under the microscope.

Still not sure whether it's worth upgrading to Vista? We put XP and Vista through the ultimate face-off.

Stack your system full of software without paying a penny, with our guide to essential downloads

Microsoft’s radical redesign promises ‘better results, faster’. Be fully prepared for this world-leading productivity software.

Jon Honeyball looks at Silverlight, Microsoft's potential Flash killer, from a business perspective

Don't want to settle for rolling green hills on your desktop? PC Authority looks at the alternatives with our guide to the latest desktop enhancements.

Sun UltraSPARC In 1995, eight years after the first SPARC Station was introduced, Sun went 64-bit with the debut of its UltraSPARC I RISC processor; the first model ran at 143MHz and had 128-bi

Leigh Dyer looks at the range of Linux desktops beyond GNOME and KDE.

We provide the commentary on a bruising eight-round battle between Vista and Tiger.

I've recently spent a couple of weeks on site at a client running a Linux training course and dabbling with the popular and powerful Web-caching package, Squid.

Four years ago, I saw a picture of a very beautiful desktop interface, called 'Enlightenment', running on an Operating System called 'Linux'. I didn't know much about either, but I downloaded and installed Linux anyway in order to run that fine looking user interface. Thanks to that early interest, I now enjoy a wonderful job designing and maintaining networks in which Linux often fills an important role. There's no better way to learn something new than for it to be enjoyable. With this in mind, I'd like to present Mike's Hopefully nifty guide to having fun with Linux.

What does Google’s online office suite and core applications offer over the Microsoft alternative?

Run Windows apps on Linux by running Windows itself. Leigh Dyer shows you how.

Head into any mobile phone shop and it's easy to be overwhelmed by the sheer range of choices. This guide breaks down what you need to look for - and what you can safely overlook.

PC Authority takes a trip down computer memory lane and discovers just how PC technology has evolved... and how Microsoft and IBM nearly destroyed each other.

After the disappointment - perceived or otherwise - of Windows Vista, many are pinning their hopes on a revival with Windows 7. And from our first impressions of the pre-beta code, that's exactly what they can expect.

Why do GNOME and KDE compete for the Linux desktop?

Leigh Dyer reveals Novell's radical new X server set against Vista

Not Apache, MySQL or Firefox, but lesser-known apps that serve a particular function very well – a Top Ten of open-source applications you’ve never heard of.