The bad news is that Sony says these sexy 11.1in Vaio TZ laptops are at risk of overheating. But there is something about Sony's Vaio laptops that should make you happy.

Is it possible to run all your electronic gadgets - even your laptop - on renewable energy sources? PC Authority's eco-warrior Matthew Sparkes gets on his bike.

The price war among Netbooks and mini-notebooks is hot at the moment, especially leading up to Christmas. We source the best prices from around the net this week.

Battery life is turning into a major selling point, as we discover when we tested Toshiba's new mini NB100 netbook.

Small enough to fit in your pocket but with enough power to make light work of rusty screws and flat-packed furniture

Since the release of the Eee PC 701, the 'Notebook' has dominated. Easy to use, cheap and able to be left on the coffee table next to the remote, Notebooks are true appliance computing. The choice of which one to buy comes down to personal preference, but it's hard not to prefer those with the best usability. Our rundown of your options covers their performance, battery life, and design.

Toshiba has unveiled a battery prototype that offers a 90 percent charge capacity in just 10 minutes.

A capable and beautifully designed smartphone, but weaker battery life means it can’t match the E71

An improvement over the Eee PC 900, with longer battery life and sleeker looks – but its rivals are catching up

Despite some odd feature choices, this is an affordable powerhouse of a laptop. A great value mid-range Centrino 2 laptop, as long as you're not worried about battery life.

New notebook runs full day on single charge.

Acer’s Aspire one makes a splash. A great keyboard, a fine screen and a keen price make for a superb mini-laptop

A great keyboard, wonderful screen and loads of features, but battery life is weak and it’s a touch pricey

It's something of a contradiction in terms, having Blu-Ray in a tiny 11.1in screen notebook, but it's certainly a brilliant feat of engineering. See the specs and launch pics here.

Hot on the heels of the Eee PC 1000 comes the "N Series", which ASUS calls the netbook's "next of kin".

New methanol model half the size of originals.

Well built, fast and with a great screen, the Dell also has superb battery life.

Yes, it’s bigger and dearer than ever, but it’s also the most usable and well-made Eee PC yet.