Once you get over the fact that you could buy several PCs at this price, the Alienware Area-51 m15x-R1 is an extremely capable desktop replacement for the keen gamer.

Good features and good performance make the Centoris KN 5185 an attractive buy for a student or anyone who needs plenty of screen real estate to boost their productivity.

The PowerBook hasn't been drastically overhauled, but it remains as one of the best options on the market for either Home or Office use. Be prepared to pay for it though.

Despite returning slower results on our benchmarks than we'd like from a desktop replacement, the low cost and large screen make this unit very good value.

Focused improvements and better useability make the Tecra S3 a good pickup

If you already own a MacBook Pro, there is little reason to upgrade. For the rest of us, Apple's power notebook is a fine machine on the whole.

A powerful desktop replacement notebook, which doubles as a media centre with a Blu-ray player. It needs some refinement, but as it stands, it's a functional unit for productivity applications and entertainment endeavours.

The NEC Versa P8310-2402DR is an appealing choice for users who want an attractive and well-performing notebook. While it suffers from usability issues, such as a slightly cramped keyboard and a screen that can be excessively reflective, the benefits largely outweigh the negatives.

This Acer notebook is worth considering if you need a 64-bit processor and plan to move to Windows Vista in the near future. The superior build quality is also a plus.

The Sony Vaio SZ15GP/B is a great entry level unit for people who want to get mobile but don't need a monster laptop.

The Tecra A7 may be the wiser option as it offers better performance for a similar price, but it depends on whether you value battery life or graphics performance.

A desktop replacement notebook with good speed and some versatile connectivity features that's also comfortable to use.