I agree that it is not worth spending a ton of effort looking for or paying outrageous prices for.
But if found in stock at normal prices, I'll pick some up.
As far as GL Pease, have you tried Quiet Nights? It is really good. It's an oriental forward English. Not exactly like Penzance, but there are some similarities.
Haven't tried that one but I'm a fan of SPC Mississippi River. Is it similar to that?
Never attribute to malice that which is adequately explained by stupidity.