Introduction:-   Thought it was high time that someone populated at least one profile review concerning these much maligned flagship cans from Grado.   The PS1000 ranks alongside the other two flagships from Audio Technica and Ultrasone - the W5000 and Edition 10 as the three outsiders of choice when any Head-Fier decides to take a leap into the world of flagship ownership. Many of the common threads suggest that this may be entirely logical and self evident - other players from Sennheiser, HiFiman and Audeze are simply the...