Salivating on iPhone 3GS

Speed The "S" stands for "SPEED!" And according to Apple, it is faster launching applications or rendering Web pages.Camera
This is one of the strong points of the iPhone 3GS, according to Apple. They increased the resolution to 3 megapixels, which—judging from the shots they showed-seems much better quality under all conditions.

Connectivity The other part of the "S" is the support for the faster 7.2 Mbps 3G standard, which in theory will deliver data faster to your iPhone.

Graphics • The new iPhone 3GS includes new 3D graphics support in hardware. This means faster and more complicated 3D games.

Battery life • One of the more important new features is the increased battery life.

Design• Same design as before, including the glossy finish of the back.