If you need an all-in-one communications, navigation and imaging device and don't mind charging it every night, Nokia's N95 raises the bar in the mobile world.
While parts of the iPhone 3G are superb, there are still some big features missing from this device. If you add up the extras, the iPhone doesn't seem like a phone that everyone can afford.
Buying a mobile phone is more than a matter of picking the most feature-rich or slickest-looking device -- your usage and lifestyle are going to help you decide which is the the right plan and handset for you.
In this quick guide, we take a look at the functionality and applications of the four main handheld operating systems -- Palm, Windows Mobile, Symbian and BlackBerry.