I fully rate the pro S. I did a track day in my diesel with oil temp gauge Sat in the 120's all day and have used that same oil to the now due service and it still sounds and runs better than it did with cooking spec oil. Peugeot DW10's sound like crap near a service so I used to half the interval on normal oil. Don't have to now.
Used it in a ford CVH as well and the lifters didn't tap when really hot like they did when the cheaper stuff got too thin.
Normal driving though and most oils these days are pretty good
Using whatever Renault put in in the Cup and it seems fine after three double drive track days.