Imagine their surprise when you tell them you're on the way to pick them up, and then roll up in a stretch limo. Rent it for a few hours so they have enough time to make several stops. Do some normal stuff, but in a limo – maybe take them to the drug store or to get groceries. Then go out on the town for dinner and drinks (or just drink in the limo). Take a limo to the mall for a shopping spree and score double points. On any given day there are plenty of limos available to rent immediately in most cities. It'll be fun for you too, and they'll tell stories about it for years.