If you're staying at a Disney World resort hotel, I sure hope you've taken full advantage of the UK exclusive 7, 14 or 21 day ultimate ticket. You can purchase these tickets even if you're staying outside of Disney, and well worth it even if you're only visit the packs for 3 or 4 days. They're a huge saving compared to paying the prices they charge at the gate. Buy before you go, hook them up to your My Disney Experience account, and go straight to the turnstiles when you get there!
The UK ultimate tickets are great. You can visit any park, park hop and move about between them all you want as often as you want throughout the time your tickets are valid. The ticket gives you UNLIMITED access to: