With a 2year old I would definitely recommend a vehicle especially with OKW. We are going in jan with a 2 and 7 yo, and a vehicle I feel is a necessity because of the little one especially. It is worth the $200 to have access to our hotel room at a moment's notice. We always rent the car but have used disney transport and there is usually some kind of wait. So, if you have the funds, I would recommend the vehicle for now... when the kids are older, then you can do without it. Also, if you need to stock up on breakfast supplies, it's easy to drive to any grocery store to do so. My recommendation is L&M Car Rental because the married spouse can drive for free (normally that is $50 for the week). Have fun!!