Are you driving or flying?
If you are staying at OKW and flying, you can use DME to get from the airport to OKW. Also, I couldn't tell if the Hilton Bonnet Creek has a shuttle that goes to Blizzard Beach or Typhoon Lagoon (I saw the four main parks and DTD listed). If you're driving (or have a car), then neither of these matter as much.
Depending the schedule, if there are EMH hours for either water park, then as a guest of OKW you can take advantage of them.