Welcome to the boards, Warthog - to answer your questions:
-In all the years before this year, the gates would open 1 hour before the rides. Depending on the hours of the particular day, it was usually 9am gate opening and 10am ride opening. However, this year, BOTH the gates and the rides open at 10am. They do sometimes open the gates at 9:55am or whatever, but I assume you were referring to the 9am opening.
-Last year from June on, the park tried a program called Ticket to Ride, similar to Disney's FastPass, and used it for Millennium Force. Some people loved it, some hated it, but in the end they decided to ditch the idea (believe me, it doesn't work NEARLY as well as FastPass). So this year, there is no ticket system.
Hope that helps! :)
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Steuks!!
*** This post was edited by Majin Heero on 5/22/2001. ***