I am trying to get the LCD-2, however, she couldn't stand the fact that a pair of headphones costs a thousand bucks. How do I convince her? 

From what I know, in speaker systems the separation between the power amp and the pre-amp is strongly advocated, as it further separates the initial signal and the final amplification, forming a cascade of amplification, giving a cleaner sound signal with lower noise and interference and...

I have a separate amp, and I was using a 3.5mm jack to RCA cable for the last two weeks. I am able to get the two DACs for the same price, and I am having a hard time deciding.   First, is there a difference in sound quality? Since they have the same DAC section...There have been little...