You are aware that 128 channels of I/O is a LOT, and all your connections will take up resources, it will put a lot of stress on both connections and computer. With so much going on, you need to raise the Network Latency in Multirack Soundgrid significantly higher than the standard 0,8ms – and have very high buffersize in Tracks Live.
The Waves V3 card has run absolutely perfectly for me.