IMO, so long as you stick to the manufacturers recommended weight and use a fully synthetic oil then it doesn't matter what brand you put in there.
What is more important is the regular change of oil. As you know, when oil gets hot the viscosity drops. In order to maintain thickness at high temperatures the oil has viscosity modifiers in the form of long chain polymers. Without these the oil would be too thin to provide the correct lubrication when it is warm. The action of the oil pump, as well as areas like the cam lobe squeezing on the valve bucket, serve to chop these polymer chains up. This reduces the ability of the viscosity modifiers to do their job (not a good thing).
Then you have the problem of combustion gases escaping past the rings and into the block. These change the chemical composition of the oil, making it more acidic. This is believed to be an issue with the titanium conrods fitted to Ferrari engines which have run a bearing.
I really do believe in regular oil changes and never run any of my cars on long life service plans (my 2008 Audi A8 has had more oil changes during my ownership than it had in the 6 years before I bought it). Even my shed that I only paid £75 for has annual oil changes!