I don't like having multiple cans of various gas/oil mix around, and have paid attention to all of the lengthy research a few folks on these forums have reported on. In the end there are several very good options. For me, the best option was to pick a single oil I trust, that happens to fall in the 'several very good options' category, one that I can use in all of my lawn equipment, and hobby engines confidently. This way I am constantly mixing up a fresh container, and never have old mix around. Stihl HP Ultra is my latest craze
I was a die hard Pennzoil fan prior to my source going dry. I get a very good deal on the Stihl, and it is readily available.
Karol, do you have something I can fly if I swing down for a visit? When I woke up this morning it was 8 below with wind chill.