Even though some properties must be rented for a week and others require a five-figure security deposit, as more and more couples seek to personalize their lavish weddings, bestates/b like bVilla/b Casa Bella are becoming increasingly ... the young and ready-to-wed are opting for increasingly lavish weddings?the average cost of a nuptial event nearly doubled from 1990 to 2006, according to bCondé/b Nast Bridal Group, which is owned by the parent company of bCondé/b Nast Portfolio. ...