But not like you drag the item and it shows a stupid little line of where it's going to go. Make it so the other items slide and make room, much like adding a launcher to AWN or rearranging tabs in the Safari Web Browser for Windows or Mac. That sliding effect is more important than most think; it adds a 1up to Ubuntu by making it look "more complete" and "smarter". Logically, it's nothing. Psychologically, it's everything.