We will be in Siena on June 17th and then staying on Montecatini Alto from the 18th-25th. What festivals do you recommend in the area at this time? We read about the Joust of Saracen on the 18th and perhaps a festival in San Gimigiano. If we have a rental car, is it easy to just drive to these places and walk around the towns? Do we have to buy tickets to the Joust? Please help! Thanks.