Old Shimano levers with new mechs?

on-yer-bike
on-yer-bike Posts: 2,974
edited May 2011 in Road buying advice
Will new 9500 Dura Ace mechs work with 3 year old Ultegra 6000/6600 shifters? Both are 10 speed. Thanks.
Pegoretti
Colnago
Cervelo
Campagnolo