Okay, a surfeit of riches. The Roman Guy, Secret Tours, Eating Europe (formerly Eating Italy), Food tours of Rome, and I'm sure there are more.
Which is your favorite? I'm leaning toward Secret Tours, but their prices are nonrefundable. That's a definite negative, since so much can come up in the next 6 months. We do have trip insurance, but I'm not sure it covers things we hadn't booked yet.
Any particularly memorably good, or bad, experiences? We did a Gourmetaly tour about 4 or 5 years ago, and enjoyed it.