Thanks for update, hmmm, so my guess would be that the midrange and low end, slightly, make them differ/better than GS1k, isnt?
Well, I would say it again, not that such thing would make any difference up here, but I never have had any midrange issues with my GS1k if the record quality were at good level. EAR HP4 is the best thing I tried them with and maybe the last I ever will.
Hopefully more folks will get PS1000 soon to make the picture bit complete. And I did like GS1000 more than any other Grado, include PS1...
THX