There are a few old threads that were posted here - just Google "Sonar Forums Fishman Triple Play" and you'll see a whole bunch starting back in 2012.
I'm also interested in same system your looking at, I love Godin guitars. My son has the older model with the Roland multi pin connection. I borrowed it for a few months and used it with my ancient GR 50. Worked way better than using the supplied HEX PU system. But they don't make them anymore, they now come with the Fishman system. I think the reason is the Fishman system opens up way more sounds to the player. The Roland system was never improved much over 30 years so is a dead end.
The Godin system appeals to me because it's a Factory install on a great guitar.