Typhoon Lagoon
Wet and Wild
Blizzard Beach
and a little one in i-drive (i think) called water mania.
I'd rate the like this
Typhoon Lagoon
Wet And Wild
Blizzard Beach
Water Mania (which was a little cheapy thing, but they had one of the surfing simulators which was brillian,t but kids who could actually surf got on there and just took ages, it was funnier to just see peiople fall off, instead of people taking it serious, but thats just me

I'd say W&W had the best slides, but TL had the best theming, atmosphere and you can't beat that giant wave.
what did you think.
i got the free disney passes next time i go, so i don't think i'll pay to go in any other ones apart from the disney ones, even auatica, though i haven't been there.