Right now my stock is 23% Montecristo, 18% Cohiba, and 10% Upmann. All other marcas are <10% each.
When I started smoking a few years ago, I started with Montecristo (what I read was a "beginners" marca), Cohiba (the "best" marca), and Upmann (the "in the know" marca).
I now love these cigars (some vitolas more than others) for my own reasons, but since I started with these three brands, I've naturally bought more over time.
I think in 2018 I may try a few different case studies, for science of course. For the first half of the year I'm going to focus on specific marcas and dive deep into available vitolas. This will help me better understand if I can truly pick up on a recurring flavor profile across different sized cigars from the same company. It'll also help me hone in on which sizes I enjoy most. Finally, it'll give me directional information about which brands I like more "overall."
Then, I think I'll pick a few of my "favorite" cigar sizes, and grab some sampler packs. After smoking/rating these cigars, I can compare to my favorite vitolas/marcas from the first experiment.
And, since I've clearly accounted for every single variable (age, quality, storage, smoking environment, drink accompaniment, stress level/mood, etc.), by the end of this experiment I should be able to choose my all-time favorite cigar, buy nothing but this single cigar, and have a stock of 100% that cigar.