-The problem with the long loading times is that these musicall instruments don't use the latest state of the art stuff..
You could create an instrument with static RAM, that way your ram sounds keep loaded in case of powering off and powerfails.
And then boot the OS from Turbo ROM, its almost instant start-up, no loading times.
But then.........
Why isn't any of the top arranger developers using nowerdays processing technollogy.... Its almost as if they don't want to keep up with the software instruments....