I think the 5800 Navigation 3G phone is a cool device. It boasts of the following aspects-handwriting recognition, accelerometer sensor for auto rotate, proximity sensor, etc. Competitive phone records can be recorded for a period of 30 days. It has the following features- Bluetooth, GPRS, Wi-Fi, etc. It has a cool 3.15MP camera with Carl Zeiss optics, not to mention LED flash and auto focus. It also has a secondary camera for video calling. The phone can be used to send SMS, Email, MMS and IM. It has other aspects like A-GPS, TV-out, voice command, document viewer, T9 dictionary and photo editor.