Villain at Six Flags Ohio has a steel structure with wooden track, and I believe Great White at Morey's Pier in NJ is the same. I think MegaZeph at Jazzland in New Orleans has a steel structure as well, but I'm not sure. I've only seen Villain in person, and I think it actually looks more like a wooden coaster than a steel one, since actual steel coasters' supports are thicker and less numerous. Villain, to me, almost looks like a wooden coaster painted metallic. ;)
Jeff: Outside of roller coaster-related message boards, newsgroups, and whatnot, I don't even refer to wooden coasters as "woodies". I mean, anyone who doesn't see that coming from a mile away deserves being laughed at.
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How dare you vanquish the Steel Phantom without his consent? Fear the Phantom's Revenge.