Where did you find that post @Thameslink Rail? I did wonder whether Merlin and Gerstlauer’s relationship was somewhat fragmented following Smiler, but I guess Alton Towers isn’t Chessington, and Gerstlauer will be dealing with Chessington’s team instead of Alton Towers’ when developing this ride. 6 years is also a very long time; maybe Merlin is willing to go back to Gerst now? Sorry; I should have said at the start that it was going to be long! I wouldn’t necessarily say that B&M or Mack are out of the question, as Merlin has done business with both beforehand, but I wouldn’t say either really looks like the most likely candidate for the project, particularly Mack.