Popa: You know where to find me. I challenge you!! (I have done this myself to others and gotten ‘the look’! Not very often, though. My far too large ego does not allow me to tolerate listening to very many others.)
Onegoal: Very few people pay attention to Shabbos morning pesukei dezimra. Ther are many places where there is not even a shatz up there at all. If davening starts at, let’s say 8:00, that just means that someone goes up at 8:30 and says Shochein Ad.