Cool, for you guys that have tested both, is there a sound difference between the USB and the SPDIF? 

Is it better to use the RCA inputs or the S/PDIF?    Also what S/PDIF cable do I need?  My mobo has the S/PDIF output that looks like a USB.

Just bought the 680's.  I'll post results when I get them :D  Running a Xonar DG with headamp for now, it will probably just barely be enough to push them, but plan to get a dac/amp soon too.  :D  

Hey i just noticed the 680s are 10 bucks cheaper, should i get those?   580s: 50mm Mylar Driver 680s: 40mm Gold Plated Driver  

That thread answered exactly my questions thanks man!  I'm getting the 580's right now :D Quote:  

I'm coming from ATH-700's.   I mainly listen to Electronica/Dance/Hip-hop/ & 80's Hard Rock/Metal   Trying to decide which to get.   I like good strong accurate deep bass which some punch, good vocal presence, and treble that tingles my spine.  I like a good sound-stage, meaning I...

Hey all!   I've got a Xonar DG with the headphone amp and a pair of ATH-AD700s.  The sound is good but I desire more!  I listen to mostly electronic/dance/hiphop.   should my next purchase be ATH-M50 or AUNE DAC/AMP?  I can't decide.   Thanks!