I thought it was a great idea in the past (like the Cantina Band, the B'Ommar (sp?) Monk, the troop builder sets), and I think it'd be cool if something like it were done again. This way we could get a figure that may not be produced otherwise.
Plus, I think it'd be better than the fan's choice poll - I haven't been too happy with the choices and winners of those lately.
I always thought a cool possiblity would be the Queen's Handmaiden's from Episode I (in their red/orange hooded cloaks). That way, much like the Cantina Band, only 1 mold needs to be made, and they could sell multiples of each.