My family went to Buca for my mom's birthday, and we had a great experience. The service was wonderful, every person we encountered was polite, attentive, and it was perfectly paced - they were always around to fill water and top up drinks, but never obtrusive.
We started with the nodini (garlic knots) which were great, and the carpaccio piemontese, which was unreal. There was a great combination of flavour with the cinnamon cap mushroom and fermented garlic.
Most of my family had the spaghetti al Nero di maiale, which was pork blood pasta with smoked burrata cheese. It was spicy and delicious.
Buca has great food, great service, and a great atmosphere, I would highly recommend it!