I don't think that Zaino is the end all be all, but it is obviously a good sealant. But look at the Zaino process again. It is no longer than any other process. Wash, Clay, Polish, Sealant. The only extra step is the Z6 or Z8 wipedown and that is no big deal really. It gets a bad rap for very little extra work. I have never tried KSG, but I have used Prime Strong (like AIO) under my Zaino and it cme out well. Good luck.