I'm using nearly the exact same setup, give or take. Dual vertical micros - 26 gauge, 2.1mm ID, rayon. The only way to explain this build is to say that if most great flavor RDAs are like having the flavor misted into your mouth with a spray bottle, the Origen V2 with this setup is like switching the spray nozzle to a solid stream. It hits you right in the back of the throat, especially on sweet flavors like Fuzion.
I have about 15 different RDAs, and occasionally change things up, but this is what I keep coming back to every time. It's worth noting that you can lung hit with the Origen, but it's a restricted airflow - comparable perhaps to the Mutation V2 with only the single bottom hole open.
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