Cantina's in Montevarchi & Bucine

 We are staying with a large party of people in a lovely old villa near Montevarchi & Bucine in Tuscany. We know that there is the cantine aperte on the 31st but we will all be gone by then. Can anyone recommend some good cantinas to visit especially with a view to buying some Vino Sfuso. We brought lots with us from Abruzzo (Villa Medoro, yum, yum) but, with the dipsos here, it's going fast..Sprat