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

Apart form your credit card's cries of anxiety, you'll love the flexibility and performance of this TV

Another cracking Panasonic flatscreen, which impresses with both its integrated TV tuners and external sources

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

The Sony bandwagon rolls on; this is another simple to use set that produces brilliant big-screen images

Award-winning TV with exceptional picture quality, although it has now been replaced by Panasonic's 2008 range

After a few months of BETA testing, Microsoft has finally released the next official first aid kit for Windows Vista - Service Pack 2.

Can't handle gaming and beaten by cheaper media cards too.

It's a shame this isn't cheaper: a fine projector if you're prepared to pay a premium for Full HD

The Commonwealth Scientific and Industrial Research Organisation (CSIRO) has put together a supercomputer that's based around a cluster of graphics processing units (GPUs)

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