Better than comparing directly with 3G: Nice video to show iPhone 3GS can actually deal with multi-tasking

On YouTube, lots of people comparing iPhone 3GS performance with the old iPhone 3G. Here is another approach. In this video, it uses the backgrounder to show the new iPhone 3GS can deal with multi-tasking. You can get Backgrounder from Cydia. That means you will need to jailbreak.
He opens one streaming radio applications WunderRadio and continues to play in the background. Then, he runs the game Real Racing and puts it in the background too. Later on, he runs Need for Speed additionally. You will see Need for Speed still runs smoothly. Listen carefully and you will discover the Real Racing game and WunderRadio is running. That’s 2 racing games and 1 live radio streaming app.