Quite frankly the Roland EA7 covers all the arranger needs for me .... I am considering adding a Roland FA-07 workstation to my studio rig also.
I guess Im just so bored with the same ho hum repetitious sounds of arranger styles year after year and I'm diggin' "creating music" the way I want it to sound like I used to do before arrangers were invented years ago..having both serves two purposes..we'll see..