In the next version, (if it is not too late) how about giving the user the ability to turn off segments of the software. So you have a simple interface, and one that uses very low ram.
So you have a beginning inteface, medium and an advance. I know some people who never go beyond the passage guide. All of the other stuff that may need to start up when Libronix starts, is using up valuable resources.
Some of us would rather spend the money on books than upgrading memory, and buying new computers.