I'd recommend getting a SFWOA pass. Thats what I got last week (didnt need a Six Flags sp at the beginning of the season). They are pretty cheap, and considering that a ticket is 40 or so dollars a day (forget about twickets and all that crap!), then the season pass doesnt seem so bad. And remember, if you even think about going to a park like Magic Mountian or Great Adventure, the admission prices are almost 50bucks for a one-day ticket, so I'd just go and get a sfwoa pass today :).
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Corey
"Have you ever tried backing out of a drive-through bank?" - George Carlin