Well, I read here that Advance Auto now carries RL oil, so I decided to go to a local Advance Auto on my way to work. Well, to my amazement, they have Redline oil in stock!! They had 10 bottles of 5W-30 and 8 of 10W-30. They also had shelf space for 10W-40 and 20W-50, with sticker price and everything.....although it was empty. The price is $7.98 a pop, which needless to say is very pricey. There is another thread around where some of you are discussing the composition of basestocks in RL. According to the label on the bottle (the new blue labels), it only mentions Polyol Esters and nothing about PAO. They also mention that esters are used in jet turbines and some other gimmick like that. I realize that doesn't prove anything......just thought I'd let you know. For $7.98 a qt, it is very hard to justify the price, especially when you consider Mobil and Amsoil are very good oils too. I "may" do an all RL OCI in the future, but the most likely scenario will be a 50/50 mix of RL and M1. Also, I noticed for the first time ever M1 0W-20 here is San Antonio. I still haven't seen any Mobil Truck/SUV though. I might be interested in giving the latter a try.