For this review the GS1000e was paired with my RWAK120-S & VortzPure II portable "dynamic duo". Having never heard a Grado headphone before I was hoping that the GS1000e would be the end of my long exhaustive search for the holly grail of auroral bliss. In the past 6 months I’ve owned or returned these headphones...   Viso HP50 B&W P-5 HD650 Oppo PM-1 Fostex TH600 HD800 HD700   You may think I’m crazy for even considering these headphones for portable use but my version of “use” is different than most.  I listen to music around the house &...