It will cruise at .98 Mach, so were are not talking about another Concorde. However, it will carry up to 250 passengers at a range between 6,000 and 9,000 nautical miles. Also, it is designed to have landings and takeoffs quieter than Stage 4 airplanes and the same fuel burn as today's best performers.
Yeah, the Sonic Cruiser is the future.
No, it would have if the project had been launched. It won't be revived.