to me, it does. in some songs, I am now hearing things, I didn't hear before...

after some consideration I settled for the Shadow in the above mentioned setup and to answer your question bevano, the difference is distinctly audible, especially after burn-in

Thanks a lot chef!   As for the two mentioned by you, would you agree to the following description?  

Hi folks,   I know some other people around here might have already stressed this question, but I am looking for a amp for my 535s w/ custom sleeves. Source will be a 7G iPod...   After reading some reviews here I had my eye on the RSA range but do not really know by now which one to go...