Its Minnemann !!!
Just found out from a mate who used to go out with the cousin (twice removed) of a man who used to know another man that works at the studio Dream Theater used to rehearse at, but is in contact with another guy who is working at the studio Dream Theater are recording at that, Marco Minnemann pulled an Uzi 9mm on John Petrucci, and after an intense seige, it was agreed that the DT gig is now his. You heard it here first !!!