Combine all the event boxes (OnInit, OnFrame, etc) into one large syntax highlighting editor in which one would write each part as a subroutine. On top of this, try adding a feature so that AVS points out code errors instead of just choking.If all the event boxes were combined, we would loose backwards compatibility. So for people without the latest version of AVS, the DM, SSC, DDM, etc. would display nothing. I had this problem a while back when DMs were new. I implemented it, and even though the preset was not that great, people complained because it did not work and gave me zero stars. Plus, newbies would be freaked out be the prospect of having to write in subroutines, and there would be many more people asking for help than normal.
On the other hand, I like the idea of the syntax highlighter so it is much easier to see if you have enough parentheses, etc.