I also like the 'dust capless' cones. If they can do it with the EP800 cones, they can do it with the midrange/bass cones as well. Makes for an over all cleaner look IMO.

My Stuff :

M80's
QS8's
VP150
EP800
Denon 4802
Emotiva XPA-3
Samsung BD-P3600
Sharp 65 Inch Aquos LCD