Fujitsu Siemens claims the Celsius Ultra is the "fastest air-cooled gaming PC on the planet", and our hands-on test at IFA suggest it's packing some serious horsepower: the machine ripped through the notoriously hard-to-handle Microsoft Flight Simulator X without a hint of a stutter.

The Fujitsu Siemens Celsius Ultra has an Intel Core i7 975 Extreme processor, a massive 12GB of DDR3 RAM, more than two terabytes of memory divided into three separate drives, two GeForce 295 GTX graphics cards, Creative Sound Blaster X-Fi Titanium audio and a Blu-ray reader.

And if you're concerned how the Celsius Ultra will hold up under the strain of its mighty exertions, the bundled 1,000W power supply unit ought to ease your mind.

The Celsius Ultra also comes with Windows Vista Business 64bit, a chunky software package and a 5-year warranty.

As you might expect, the Celsius Ultra doesn't come cheap: a price tag of 3,999 euros is being bandied about for the European launch. More info at the Celsius website.

Fujitsu Celsius