We will be staying in Florence for 4 days in the end of April. We would like to take a day trip I suppose to the Chianti area but am open to suggestions and would like to visit some wineries, eat some good food and generally soak in the atmosphere. Accompanying us will be our 18 and 21 year old children. I was looking at some group tours but was considering renting a car and doing it on our own. I like the idea of the freedom to come and go as we please, but don't really know where to go, and also will need to limit my tasting in order to drive safely. Any suggestions for where to go to spend a morning and afternoon? Is doing on our own a better idea than a group tour? Thanks