FWIW, from what I understand, Brassiere Dupont does a "hot" primary, then chills down to the mid-upper 60's.
My temperature control currently limits me to only adding heat to a fermentation. That boils down for me to finally have a reason to experiment with Saisons a bit more. I think my next attempt will blend 3724 and WLP 565, per Drew's post on the Maltose Falcons page.