There is a nexus.wiki that can help pinpoint version-specific mods ( https://modding.wiki/en/skyrim/users/skse-plugins ). Don't know how up-to-date it is at this time. The best bet, IMHO, is to stick with the AE version you have (which is the GOG version, I believe), since the vast majority of mods are made for it now, and collections are a fairly recent development...