Cuban cigar, eh? Hmmm, as long as it doesn't taste like a cigar it sounds promising. Think I'll try the 555 too. I actually do like RY4, though it tastes like pipe tobacco to me. Got 5 free pre-filled Ruyan carts to start with, but they are so expensive to buy so I bought some refill liquid and it's not as good as the original stuff (too bad you can't buy Ruyan liquid w/o the carts).
Think I'm going to try diyflavorshack next - as the last poster said, they create their own juices, so maybe that's the ticket.
I agree that Cuban Cigar tastes a lot like cigarettes. Another good tobacco-like one is the Parliament flavor from MyFreedomSmokes or Vapor4Life.