If you read through all the threads that Braap and others have commented on about head and piston choices its very obvious that you would want to match pistons to your head. Works the same way as the aerodynamics, slapping on a whale tail wont do much by itself, its the total package.
I think his comment did help. If WISHIHADAZ is spending alot of money on machining and parts, its important that he knows what his machinist is doing and why.