Thanks for all the great information. Has anyone tried out the grado Ps1000 with the mainline? I'd love to hear their impressions.

Entered!

Much thanks DG for all the input and hard work.

Looking forward to your mainline comments. Keep up the great work!

Thanks so much for the great review.  It helped me to narrow down and include the Grado's in my final buying decision.  I appreciated the further comments from everyone.  Maybe it is my setup (nuforce HDP to macbook pro with audirvana or Fidelia for playback) but I haven't found them to be...

Just got mine in July.  I'll post the serial number when i find it.     The sound has been great from the beginning and been growing in "depth" as I use them.  I have them hooked up to a nuforce HDP plugged in via USB to a macbook pro.  Playback software is both Fidelia and Audirvana with high...