Depending on the time of day you will definitely want to take 417 (Greenway Toll-Road) instead of 4. If there is even so much as a soda can on the side of the road on route 4 the rubber-necking will bring traffic to a stand still. It is worth the $6 in tolls. And yes it is about an hour. The little extra diving time more than makes up for the time wasted trying to get out of MCO (Orlando Airport). On average I can fly into SFB and be at Disney quicker than if I fly into MCO just due to the size difference at the airport. Plus there is a super Walmart just down the road from SFB airport on 17/92. It's a great place to stop and get supplies for your vacation. Here is another tip that most people don't think about. If you are going to be at Disney for more than 7 nights and you are staying at one of the value resorts, it is cheaper to go to Walmart and buy a cheap refrigerator than renting one from Disney.