Yeah, although when there is the Harry/Hermione Horcrux kiss, when he strips off to jump into the water for the sword, in the book it says that he is in his underwear, not completely nude. Oh well. And yeah, at the end of the book, at 'King's Cross' he is naked at first as well. It's going to be weird watching this with my family, when we go see it in theatres... GoF was weird enough! Not that I mind much.
(I just hope he doesn't have that hairt chest still... )