I think it would take up to much screen space accually.. My laptop doesnt have a huge screen plus i love bm as it is. The only thing i hate about bm if is you 'spam' a skill on someone you get this 1-1 chat >_<" i know you use /q to close it, but to acivate my second and 3th bar in bm again, click on you type bar and press space a few times.. Gah annoying
(eslecially since i dont use a mouse to play) [/rant]
maybe give people the option to chose if they wanna play with multi bars or the old fashioned bm~