Personally, I prefer the TT 1931, and the red dial is a jewel.
But it is just my personal preference, and I would certainly not say that I don't like it.
Buying from a Boutique has an inconvenient: You won't have a price.
But you will have a strong connection with the brand, through the Boutique, and you will have some privileges, such as a visit of the manufature, invitations to some events...
If you really want a price, which is understable, try the second hand market.
I would say that for a special watch, or for a sentimental purchase, the Boutique is the way to go.
For other purposes, the ADs or the second market is a good option.
Best,
Nicolas