@glory I do not know the CM2's, but I own the Townshend podiums, Oreas, Gaia, Credo, Herbies and Nobsound.
When I listened to the Townshend podium and Credo I could not believe the sound impact which I will stay away from describing because it is objective; so talked to a friend that is a sound physicist PhD and asked how to best measure the impact. To make the story short I ended with a few instruments from his lab and we measured all of them, not only for isolation, but for decay. Nothing comes close to the Townshend podiums and Credos.
I posted some numbers in another Townshend podium vs Orea thread.
I have no reason to be fan of one over the other, I own all of them but I ended replacing everything with Townshend products, except for 2 Credo platforms that came with their speakers.