I've been watching ebay for a few days and the grado rs1s are going for almost twice as much as they cost new.  >..>   The rs2is however seem to be a bit more along that price range.  Thoughts on this?     Also what is the quality difference like with the 0404 and Fiio's e7?  I had an...

that would overshoot my $300 budget by about $300.  o.o   I'm a highschool student.  I don't make much.  Is it really not worth doing anything at all until i can afford that?

Heya guys.   I've got a pair of Grado sr225i headphones.  I started with the sr60is a year ago and upgraded within the past few months.  Thing is,  I know i'm not getting my my money's worth out of them because i don't have a halfway decent source.  As i mentioned before,  i'm a noob in...