@redneck, cruising on the JSBSim version is fine here. Managed to climb to FL390 at Mach 0.78 without any issues with the 787 autopilot. Here are some pics for the heck of it:
Here's the flight on the MP tracker too- very nice, went from KSFO 28L to Santa Maria.
@Armchair Ace: where did you get this EICAS display?