Cool, I wasn't sure whether turbo's often hit their limits or if you go up a size so it remains at a serviceable speed.
Basically the new hybrid will deliver more air at a reliable/steady rate, is my thinking right in that it will come on boost earlier, as it's spinning at roughly the same rate (the 'gearing' for how fast it spins at x revs is basically the A/R on the turbine side?) but obviously the bigger compressor wheel will deliver more air per RPM. It may well even spin up quicker due to the design refinements you pointed out.
Feel free to tell me to shut up and get off your thread with the turbo spam btw, started reading up on it a while ago and found it interesting