Praise the lord someone finally pointed out the distinction. Wahey!
Still very game for anything Mack. Mega-lite, Mega-Coaster (entirely plausible) or either of the two with a launch would be so well-received, perhaps not initially, but certainly after time. Although, if the cost of Helix is anything to go by (£20.2M) then the hardware for Mega-coasters is really very expensive, but I'm not sure how much of this cost went in ground-work (possibly quite a lot), advertisement, IMAScore, and station design. But then again, with the way Mack are transforming the face of European theme parks they can charge whatever the hell they want nowadays. In comparison, Blue Fire cost ~16.5M, and mega-lite Alpina Blitz at Nigloland cost a lowly £6.6M.
A mega-lite would leave tonnes of budget for themeing. A Mega-coaster maybe not so much, but the cost of hardware would be closer to Blue Fire's than Helix's, as arguably less of a challenge is presented by Thorpe's terrain (being that there are no hills like at Liseberg). So there could still be some standard Merlin-level themeing but at least we'd have a farking good coaster underneath it.