So little update. I switched out the new USB kext with my old one to test it out. iMac18,2, iMac19,1, and iMacPro1,1 seem to be the only ones that will work for me (18,3 and 19,2 have broken Ethernet, and I'm pretty sure no DRM...MacPro7,1 won't even load). iMac19,1 and iMac18,2 have all my USB...