I keep hearing such great things about these cabs. I have to claim ignorance when it comes to anything newer than 1972 from Marshall. I understand the "handwired" amp series. But what's the deal with the handwired cabs?? Is it something more than just someone hand sautering the wiring to the speakers? Is the construction standard and material different than the standard 1960 line? Are they all birch ply and no partical board? I tried the Marshall website but they mention absolutely nothing in regard to materials or design so no help there. Please tell me what I'm missing and bring me up to speed. DISCLAIMER: THIS IS NOT MEANT TO START A FLAME WAR OR DIS THE MARSHALL HW CABS* simply looking for more information.