Just a heads up that thinkgeek is coming out with a case for the iPhone 4 and 3GS that hides a qwerty keyboard. You swivel it to the left and it exposes the Bluetooth keyboard. It cost $50 and will be out mid November. I'm definitely getting me one : )
Here's a link: http://www.thinkgeek.com/gadgets/cellphone/e66e/
Here's a link: http://www.thinkgeek.com/gadgets/cellphone/e66e/