One advantage: Modular is now pretty much equivalent to integrated. Disadvantage is that overall, from zero hours, it costs about as much as integrated used to cost, so only an advantage if you come at this having enjoyed flying as a hobby.
It ain't just you, 1013, it's something that has become known as one of the idiosyncrasies of JAA. Part of the reason for the increased cost - you really do have to know your stuff!