Hm. I'm actually quite happy with the design Gmail has right now. A customer in a situation like this wonders, if any change to the interface doesn't just mean

Hm. I'm actually quite happy with the design Gmail has right now. A customer in a situation like this wonders, if any change to the interface doesn't just mean more costs for me as the user (like the change of "open in new tab/open in new window" between FF3 and FF4).