I've decided to go with the route of using DVD Architect and inserting everything via BDFix.
I'm still building the menus which are basic but are straight to the point.
For the main menu, it'll play the animation that Harmy did a while ago, then to a still frame at the end with the options added on.
Here's what I've done so far:
I mentioned before that I intended to add in the bonus features from the earlier releases also.