Seems as if I can only find 1 real thread on the P4 and there's no real review in that thread and only the briefest of statements about how it sounds.  There doesn't even appear to be a thread on P4 rolling.  What's up with this amp?   Anyone?  

Maybe I've been slow on the uptake, but for those that have been waiting and wondering:  The 10vi cables appear to be back in stock at UE.  I just ordered a couple for myself via the online order system while they still have them at $20/each.  Other than this you have to order from China for...