Well, it seems to rain everyday in central Florida, so it'll feel a little like London. ;)
Seriously though, it will likely be busy, but those parks seem to have a way of keeping people moving (or so the trip reports say).
To stay cool, drink lots of water. Not soda, but water. Make it a point to drink far more than you would otherwise. Sure, you'll sweat just the same, but staying hydrated will keep you peppy.
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Jeff
Webmaster/Admin - CoasterBuzz.com