iPhone Explorer lets you use an iPhone, iPod Touch or iPad as if it were in disk mode or a flash drive.

iPhone Explorer is an iPhone browser for Mac & PC that lets you browse the files and folders on your iPhone as if it were a normal USB flash drive or pen drive.

You can use the easy drag-and-drop methods to add or remove files and folders from the iPhone.

Compatible with all iPhones and iPod Touches including the new iPhone 4 and iOS 4 firmware.

http://www.macroplant.com/iphoneexplorer/