Honestly I never thought much of the place after Pierre Vivier stopped running the kitchen. It became more and more a place to see and be seen, with an increasing emphasis on booze and "special events" where they could mark you up on most things.
Then when Albert Ughetto opened up Provence, well Chez Pierre lost all culinary relevance in that genre.
Still, I have some grand memories of the Vivier days on North Adams street downtown. It was the first "upscale" lunch I ever had as a kid, and his pastry chef made me a birthday cake for my first birthday, which I believe is the first bite of food I ever remember consuming.