The wine will be in your mini-fridge. You have to pretty much be willing to drink anything, like me, to even tolerate it. No reason you couldn't bring it to the dining room.
Don't remember any rhyme or reason on treat delivery. They just magically show up in the afternoon. We always thought they were good.
If I recall correctly, the free laundry bag also shows up randomly, but if it's not there, I'm sure your room steward will be happy to get you one.