Average price: 439.95

Best features: This handset offers the best of the mobile phone and computing worlds rolled into one. It runs off Windows Mobile 6, is Wi-Fi enabled and has a full qwerty keyboard plus a touch screen.

Limitations: Designed for businessmen with as much money as sense this handset is expensive and complicated. But full 24/7 support is available.

Perfect for: Those in need of a mobile office.