In spite of others recommendations I followed through with cheap for now. Later I will upgrade to the best I can afford but for now given all the other directions I am going with my coutermeasuers.
For now here is my Four Headed Blinder using the older M20/40 technology
Here is the photo crazyVolvoRob suggested:
Link to the original thread:
Am I wasting my time and $$$ on upgrading my M20 to a M40?