I was lucky enough to go to a fancy conference dinner at the Mt Soho Winery in Arrowtown. The venue is adjacent to the Michael Hill golf course. I didn't even know it was there.
The venue was stunning. A lovely courtyeard for pre-dinner drinks. And the dinner itself was a fully served affair in a very large room with 2 long narrow tables. It shouldn't have worked as a seat plan but in fact added to the convivial atmosphere. I imagine that they have spectacular weddings there.
In another wing of the building was a large ballroom with a dj. So all tastes were catered for.
I can't speak for their wines. In fact I am not generally a fan of Central Otago wines (blame this on not being a red wine girl). But I believe their pinot noir is supposed to be good.