I'm pretty certain DT11 is going to be bigger than ever. Their popularity has been accumulating over the years, and now with a new drummer and all things Portnoy related, including all the A7X fans who discovered DT, they will top their sales with BC&SL. In terns of being a band, i'm sure they will be fine. They still have 4 key members of the band, some of whom are stepping up to fill the void of Portnoy, and a drummer who will spice things up a bit (hopefully). If for whatever reason DT11 is not great musically, I'm sure they will continue. If not in terms of sales, I think there is a possibility that they will go their separate ways, doing solo projects and maybe one day a reunion (with Portnoy).