We stayed at HRH club last year and there were a few things that I really liked about it.
First, I loved grabbing an easy bite for breakfast before going to the park. The staff were really great about providing trays if people wanted to bring breakfast back to their room. This worked well for us on one morning when 2 of our kids were just so pokey! Breakfast includes cereal, muffins, bagels, cinnamon roles, yogurt, fruit, and juice.
Second, before we headed out to the park in the morning, and again at night, we'd stop in for bottles of water. The water isn't out on the counter, but the staff is more than willing to provide you with bottled water - you just need to tell them how many.
Third, we have teenage boys and they really enjoyed grabbing a snack right before going out for dinner. I was happy that they were able to take the "edge" off of their hunger before going out to dinner. This really did save us on our dinner bills because normally these kids can all down an appetizer plus a full meal.
We only made it to the lounge one night for cookies, but they were good.
I'm not sure if we'll make the splurge again this year, but we certainly enjoyed the convenience!