If you think Lego means kids' stuff, think again. Mindstorms NXT is a sophisticated robot-building system with both engineering and programming elements. And, although it's sold in toy shops and marketed as an educational tool, it's designed to appeal ...

Building blocks, motors and programming in one package - a great gift for hobbyists and kids alike.

Incredible speed throughout thanks to the quad-core CPU, but there are better deals to be had

A well-balanced, quiet system, offering tremendous performance at an appealing price

This Viiv PC is incredibly small and quiet, and comes with a luxurious 19in TFT. It's expensive, though, and lacks expansion options