Just a heads up for everyone using the Planet MGB-TLX transceiver modules... Out of curiosity, I decided to try the Planet MGB-TL40 transceiver modules to compare, I found them to be significantly better than the MGB-TLX. They are only a little more expensive, $8 more. Try them out, I would love to read your impressions. I don't know if playing around with other Planet modules would yield even better results. If you do decide to try others, I would love to read what you have to say. Remember that you do have to let the modules burn in a couple days to obtain best results.
I would also like to say that I have extremely great results using Audiophool's (Hans van den Barg) upgraded Meraki switches (basic + OXCO clock) and linear power supplies. I bought 2, one Meraki at the source coming into the house and then fiber run to the other Meraki where my system resides.