I find it interesting that Mobil 1 is looking more like Syntec (Edge).
I also find it interesting that Schaeffer's seems to have a very robust additive package. Perhaps Schaeffer's could be use an oil additive for those that like to spike-in something a little extra. You seem to get a little of everything...
CAM2 doesn't look very good from this comparison. Thanks for posting the link, i haven't seen one with all the synthetics on one page its nice for reference.
Looking at them all side by side it makes me wanna get Castrol Edge next time.