You'll be fine! DL is a blast and IMO much more doable during the jammed packed holiday season. So easy to go back and forth between parks. No long times waiting for a bus to the park/hotel. Hotels just a 5 minute walk away for a mid-day respite. DL is the most wonderful of places. Sounds like you are prepared for the crowds. With realistic expecations fun follows!!! So glad you posted your link!