I've been thinking about this, it's an interesting technical challenge.
We need to define exactly what it means to be PS 1.6 compatible. The lack of defined APIs makes this a vaguely defined target.
Areas for consideration, modules:
* The basics of a module, ie. what's needed for a module that does no core class overrides, should be easy enough.
* Core class overrides, it's probably just impossible to support it all forever, perhaps inspects some number of the major addons out there, see wha