Dell has released the Mini 1012, which is available in very attractive colors. It comes with a Windows 7 Starter Edition but you do have an option to get Windows XP installed that will comparatively cost you lesser. The Intel Atom N450 1.66Ghz processor is quite efficient and powerful. It has got a 6-cell battery allowing about 9.5 hour battery life if you got Windows 7. With XP, your laptop will live on a 3-cell battery.
The mini weighs quite light- 1.25kg or 1.37 kg depending upon your battery. About the memory, it has got 160GB hard drive (5400 rpm). Moreover, it is got 1.3MP webcam. It supports HD videos and has a GPS option as well. You also have the choice of external optical disk drive.