What's the difference between X and X-Flight??

What is the difference?? X-Flight is a flying-dutchman, but what is X???

Also, to anyone who got their SFGAm mailer.... does it show what color the season passes will be next year?? And also, I live near Milwaukee, so I should be expecting it soon right??

Thanks

X is the new 4-Dimension coaster at SFMM. It is one of three new coasters along with Deja Vu and Goliath Jr. Where have you been? ;)
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YVAN EHT NIOJ -The Simpsons

Oh yeah, I saw a conceptual art thing on a site for that. I guess I'm not feeling too good. ;)
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May 5th, Gurnee Illinois, "I'm sprinting for V2"