Speaking for myself, I don't think I've ever seen a Mod that was dependant on USKP. The Unofficial patches (all) fix errors/bugs left (not fixed) by Bethesda in the Skyrim.eam , Update.esm , Dawngaurd , Dragonborn , and Hearthfire I believe. So any mods you have should work whether you get all the Unofficial patches or wait to get USLEEP. Plus make sure to clean your files with TesVedit (Do Not Clean your Skyrim.esm) if your having problems plus LOOT to help with your load order.