Depends on how much time you plan on spending at the resort. If you're just there for sleeping, go for the values. If you plan on spending any time at the resort, go for the moderates. We've stayed twice in the values - honestly, really just don't care for them. The rooms seem cramped - it's VERY noisy - and there isn't as much to do at the resort. I love the moderate resorts. There's alot to do, they have a sit down restaurant, the food courts seem a little better to me, and I like the theming so much more.
If you do decide to go value, I personally prefer Pop Century.