Originally Posted by tapieromateo
I think i'm going for the Z02. Why? because I have good Headphones and decent IEMs (mdr-v700 and MDR-XB40EX) and if I change my source (laptop, player or w/e) I will still get some power on the headphones/monitors and improve the sound, and hopefully the battery life (can I expect that?)
Since headphones are about 10000x more important to quality then an amp, I would not recommend spending more on an amp then your headphones. Thats sort of like bolting a spoiler on a Tercel.
If you don't like the sound you're getting, and you don't mind spending more money, buy better headphones.