Top 10 energy efficient desktop PCs

2 Asus Eee Box B202
£200
20 watts
While this Windows desktop doesn't have the mass appeal Asus' Eee PC laptop, it is worth a look. As our friends on CNET UK discovered, performance and features are medicore but it is really cheap for a Windows PC. Bear in mind there's no CD drive, so you'll need to download your tunes and software from the web (or clunkily add an external CD drive).