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.

Solaris gains x86 momentum.

Last August, we said that Nvidia would not introduce an x86 part at the spectacularly successful Nvision show. We also said they would have to be mighty stupid to try to make one, and guess what, we were right again.

High performance computing (HPC) may be the pinnacle of the computer speed pyramid, but not its profit pyramid.

But x86 server demand drives growth.

Worldwide server revenues reach US$13bn in Q3 2006.

Firm claims increased performance, functionality and power efficiency.

Was the underdog unfairly crippled in its quest to get chips in PCs? No says Intel, AMD chips just aren't as good.

We test the big three OSes on level ground - Boot Camp.

Leigh Dyer shows how virtualisation technologies could change the server market.

Server maker gets into x86 virtualization at last.

"Scary amount of x86 capacity" signals future escalation in chip price war.

Leigh Dyer looks at Sun’s attempts to keep Solaris relevant in a Linux world.

Intel’s announcement that it would finally release its own 64-bit extension to developers next US fiscal quarter has raised eyebrows at rival chip-maker AMD.

In the early-to-mid 'nineties, the industry was buzzing with speculation about the 'new' 32-bit computing platform and, more importantly, how it would integrate into the 16-bit environment.

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.

The battle between portable devices is heating up.

Impressive and free antivirus and antispyware package