...Of course, you have to exercise some critical faculties. For almost every coaster in the world, there's somebody who found it sluggish and boring, and somebody who found it uncomfortably rough.

Some of this may not even be pure subjectivity; the ride people get will physically vary depending on the loading of the train, where they're sitting in the train, the condition of the track and the weather, and tweaks made by the proprietors for safety or comfort. Woodies in particular get retracked and adjusted frequently.