I just got the sleeveless Ex version of this. It's a terrific figure, very well done. I think it's the same amount better over the Avengers figure as that one was over the first Thor movie version.
The comparison of the 3 Movie Thor 1/6 scale figures released by Hot Toys reveals very clearly that the third figure - The Dark World Movie one - is without any doubts the ultimate one in terms of likeness. Mine is on the way.