Rackets of Lleyton and David?

Does anyone know for sure whether Lleyton switched and if David is using the same racket? I think it's the Yonex MP Tour-5.

Lleyton
http://www.australianopen.com/images/pics/large/b_hewitt_1_2001.jpg

David
http://us.news2.yimg.com/us.yimg.com/p/ap/20040128/capt.mel16201280950.australian_open_mel162.jpg

The Racket:
http://av.tennis-warehouse.com/big/YMPT5-big.jpg

Or is it the RQ200?

RQ200:
http://av.tennis-warehouse.com/big/RQ200-big.jpg

I don't know that much about racquets but I read somewhere that David had changed of clothes sponsor and of racquet too.