When ones paradigm is tuned to suit a refined preference such as yours, there is little chance of any outside element shifting the paradigm. Your invitation to Gryphonaudio, or any other representative of an element outside your present paradigm, is almost certainly doomed to fail your challenge.
Its like inviting a salesman who represents the color blue to sell a palette of blue to a potential customer who lives in a red house, dresses in shades of red, and drinks cherry red soda. Unlikely, yes?