We're in Kal-ee-for-nya (according to my mother) until a red-eye flight takes us back to Logan on Friday night. One thing worth noting: Avis will not only rent to the under 25 crowd, they'll also offer you a Mustang upgrade for only $3 a day. We had to choose between a Chevy Cobalt and a 2005 Mustang hardtop.Maybe we should have gotten that optional insurance policy...