guys help me choose between those 2 i'm listening to rock/metal,nu-metal,some j-pop/rock my main concern is the sound detail of each instrument,sound of vocal thanx i don't mind spending more money to buy a good portable amp if needed but the phone is my main concern and please put...

help me i want to buy mp3 player which one has the best sound ? no iMod please.money is not a problem.thx

how does ad2000 compare to edition 9 ?