I think that all of the rooms were refurbished by the end of summer 2006. I could be wrong about that, but I believe I remember reading that somewhere on the boards.
We just got a back a few weeks ago from the WL. I didn't see any signs of work going on in any rooms. On a slightly related note, our balcony furniture was the old style furniture. It was the only room we saw that did not have new chairs. Crazy.