This week saw the IFA electronics show taking place in Berlin, and Nokia World in Stuttgart, and TechRadar brought you a feast of gadgety news and hands-ons with the latest gear.

Top five news stories

Sony's PS3 3.0 firmware with BBC iPlayer out now

Sony has released what is the last major update for PlayStation 3's firmware in 2009 – with PS3 firmware version 3.0 available for download right now. The latest update introduced dynamic themes, avatars, a "What's New" panel, a newly designed status indicator and an overhaul of the Friends list.

Apple sets iPod launch day for September 9

Apple has sent out invitations to its annual iPod event, for next Wednesday September 9. The invite - themed 'It's only rock and roll, but we like it' - will probably see a new raft of iPods and possibly a music label deal or two, but is unlikely to feature the much-hyped iTablet.

Met supercomputer contributing to CO2 problem

The Met Office, which houses a £30 million supercomputer, is one of the most polluting public buildings in Britain according to a government list carbon footprint list.

LG to announce world's biggest OLED TV set

Almost two years on from the arrival of the world's first commercial OLED TV set, a second model will join Sony's XEL-1, this time from LG Electronics.

LG 15-inch oled tv

New Linux-free PS3 part of cost-cutting drive

While a fair chunk of the gaming world is rejoicing at the news of a new slim PlayStation 3 and its lower price, the hardcore Linux-loving PS3 fans out there are likely crying over their Fedora CDs.

Top five in-depth articles

20 best new features in OS X 10.6 Snow Leopard

Many of Snow Leopard's changes are under the hood - new architecture that provides a foundation for the Mac going forward. But while there's no Spotlight, Time Machine or Quick Look equivalent this time round, Snow Leopard still packs in new user-oriented features, big and small. Here are our favourites.

25 Linux tips for Windows switchers

Don't see what all the Windows 7 fuss is about and thinking of jumping ship to Linux? The experience of switching to Linux needn't be a traumatic one. Here are 25 things you need to know that will make your transition to an open source OS easy.

Complete guide to Freeview HD

Millions of homes in the UK currently have HD ready television sets and still only watch television in standard definition, but this could all be set to change with the arrival of Freeview HD.

Freeview hd

The complete guide to upgrading your PC

We look at the many different options available, what tricks you need to bear in mind when physically upgrading and what you need to look for when considering a prospective upgrade.

10 things you need to know about OLED

The appearance of LG's 15-inch OLED TV at IFA 2009 is a small (but significant) step on the road to replacing LCD, LED and plasma technology. Not sure what OLED is? Wondering why you'd want an OLED TV when all the chatter at IFA is about LED and 3D TV? Here's OLED explained...

OLED tv

Top five reviews

Sony PlayStation 3 Slim 120GB

The PS3 Slim is essentially the same console as before, but with slimmed down components and a new, smaller chassis. The key improvements are the 120GB hard drive, up from 40GB and 60GB in previous UK versions, and it's also 36 per cent lighter, 33 per cent smaller and it consumes at least 34 per cent less power (it's probably even more efficient than that).

Hands on: Nokia N900 review

Is the Nokia N900 a smartphone with a desktop-like OS? Or is it a portable PC with telephony options too? Either way, it's a pretty darn good mobile phone, and that's the way we like to see it.

Nokia n9000

Sony Bravia 3D TV: first impressions

While Sony is remaining tight-lipped about specifics and about just how 3D tech would work on a Bravia LCD TV, it did show off some demos of the technology. And TechRadar was lucky enough to be among the first bunch of journalists in the world to try out the televisions.

Sony bravia 3d

First impressions: LG 15-inch OLED TV

LG's OLED TV is jaw droppingly pretty. It's amazingly bright and rich with colour, and the contrast ratio looks miles better than any other 15-inch TV we have ever seen.

Hands on: Nokia Booklet 3G review

Nokia's new foray into the world of netbooks has resulted in the Booklet 3G - a miniature PC with a large amount of bells and whistles.

Nokia booklet 3g

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