Be careful with Brightline, I live in South Florida and use them to go from West Palm to Miami as it is quicker and cheaper then driving and parking. A couple of times there has been an accident on the rail line and it will stop all north and south bound train traffic. I missed a concert in Miami due to the trains being delayed. For some reason South Floridians think they can drive around a train gate with the train going 100 MPH. Suicide by train is also very popular.
The rates were just announced last week as train service is beginning September 22 to Orlando, I also thought it was pricy too.