Will splashing out on expensive RAM make a real difference to PC performance? And if so, how much should you buy? We supply the benchmarks and lay the details bare

In a written deposition to court Steve Ballmer has denied all knowledge of the Vista Capable marketing program that resulted in a class action suit against his company.

Nvidia was responsible for almost half the Vista crashes reported to Microsoft in in a graphics-related crash report.

Finally, Microsoft comes clean about the failure of Vista and detail their plans for the new features to be released under Windows 7.

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.

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.

Much improved program Start menu

Better search, Blu-Ray burning and easier Wi-Fi in the mix. Finally, a new reason to switch to Vista?

After Microsoft’s huge advertising campaign to support its Vista operating system Apple has gone on the offensive with a new series of adverts slating the move..

You have to build by-passes, Mr Dent

Goodbye “Aspirational” Vista, hello again to numbered Windows versions. Microsoft announces that Windows 7 will be called... Windows 7.

Some bright spark in Microsoft's marketing department has apparently decided that the what will turn around flagging Vista sales is for it to be pitched by Jerry Seinfeld.

Stewart Mitchell delivers his verdict on the features rumoured to be ready for Windows 7, including the new kernel, multi-touch, and virtual drives.

What is the deal with Microsoft giving Seinfeld ten million bucks? We consider what Jerry might have to say...

Windows 7 is a bit lighter than Vista and the pre-Beta is now available to developers and whoever has an Internet connection.

Rumours say the Windows 7 beta could be announced next month, as millions of bloggers sharpen their claws.