Thunderhead, on the other hand, though it's been duplicated now elsewhere, remains a joy.
On an initial ride, I'd pick Thunderhead by far. But after multiple visits, I suspect that I'd prefer Mystery Mine for its unique experience and narrative. So... this is a toss-up for me.
Thunderhead had more of a re-rideability factor. The one day I spent at DW, I got 26 rides. Ran great in the rain. Operators did an excellent job. The only thing I really liked about MM was the vertical lifts. Slow loading. Just didn't do much for me overall.
Mystery Mine is one of the better themed coasters I've been on, and the main drop is great. Add the awesome zero-g roll and dive loop, and this is a pretty darn good steel coaster.
I didn't get the chance to vote on this one because I had other things to do. I was home to vote on the other ones. My vote wouldn't have been for Mystery Mine. I'm thinking that this few hour window to vote is going to lower the amount of voters and affect the outcome of the matchups. Voter turnout went into the thousands last year, and now the matches are being determined by a couple hundred people? There should be more time for people to cast their votes.