I'm absolutely okay with this. Of all the new type theories and speculations that have been going on for so long, I was on board with the "Fairy-type" the most. It's going to take some getting used to, especially with some of the older Pokémon changing, but I like the addition of having a new type and what it means for competitive play and battling in general.
It will certainty make things all the more interesting. I just wonder how strong of a type it will be compared to the others. It's nice that Poison if getting a boost though since it's one that needs it the most.