Brad McQuaid has answered another round of questions over at the developer's corner. Here is a sample: Why can't character models be placed in the zone files for every zone rather than the global files? Might require a huge download but maybe you could just upload an exe that patches the extra data to every file or something. -Itchy_Drawers The idea behind having global and local zone character model files is to keep the memory footprint down (as well as load times, but this is a secondary concern). In other words, it makes sense to not load a bunch of character models that will never show up in the zone you're in. The global file exists for the much smaller subset of character models that could potentially be displayed in all zones (this would include all the player races and genders, pets, etc.). We purposely try to keep this file small, and we also have limits as to how many NPC models should be present in a zone specific file in order to keep memory requirements reasonable. That said, because min specs rise over time and RAM becomes cheaper, we've slowly but surely added to the global file and will most likely continue to do so in the future. You can read the whole article at this link.