The m15x is another out-of-this-world laptop design from Alienware. Is it onto something, or just on another planet?

A stunning screen, generous specification and good performance combine with superb results for the Dell XPS 16

If it’s a Blu-ray equipped desktop replacement you’re after, the 8920G is a fine choice.

If you’re looking for a well-featured, great-value desktop replacement, the A7S fits the bill. Plenty of grunt, a 200GB drive and great features - Asus is looking better and better.

All the power of a desktop PC in a fraction of the space. We put a selection of desktop replacements to the test.

If you’re looking for a well-featured, great-value desktop replacement, the A7S fits the bill

All the power of a desktop PC in a fraction of the space. We put a selection of desktop replacements to the test.

Superb performance in one of the sturdiest and best-looking gaming laptops we’ve seen – the Alienware M17x is worth the expense.

Incredibly powerful laptop system, with a few small issues that hold it back from true glory.

Looks and feels great, but a hefty price – once you’ve tweaked its specs – means that rivals offer better value

HP’s Dragon combines fantastic power, comprehensive features and an innovative 20in screen design.

A great desktop replacement thanks to the huge screen and dual 200GB hard disks, but its price is too high.

It’s the most expensive laptop we’ve looked at yet. David Hollingworth ponders if you get the right amount of bang for your buck.

A great desktop replacement thanks to the huge screen and dual 200GB hard disks, but its price is too high.

It lacks the frills of others here, but the Toshiba is ideal if you want a 17in screen at the lowest price.

A huge screen and an affordable price, but it doesn’t rival a desktop PC where power is concerned

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package