So I tried four different tobacco flavors. The verdict is they are all winners.
Hangsen = the easy way to DIY tobacco. Almost feels like cheating.
Tab Blended, tastes just like DK-TAB, any slight difference is no greater than the variation in buying premixed Dekang from various places at various times.
RY1 is a subtle but very pleasant flavor. Hard to relate it to anything. Somewhat like USA Mix, but a little less acidic, with a slight peanut flavor, the tinniest "grassy note", and totally absent of that ashy flavor sometimes present in USA mixes (especially the red variants.)
Indian, definitely reminds me of 555, but more distinct and better.
And saving the best for last, PIPE FLAVOR! I think Jimi D. may be right, there seems to be a hint of vanilla and anise. Which are both flavors I generally dislike, but I'm so glad I took the chance on it. I kind of detect some coumarin in it, maybe. But whatever is in it it's great.