Neither my fiance nor I enjoy dancing. I do think weddings are about hospitality and thinking of guests, but as the bride and groom, I also anticipate that if we offer dancing, there will be a lot of attempted coaxing to get us on the dance floor, etc. So: I'm just not interested. I recognize some people may leave early if there's no dancing, and that's fine.
However, I really haven't been to any weddings that don't include dancing, so I'm having trouble envisioning what that looks like.
We've only just begun the planning process, so we're pretty much open to whatever. It will likely be a fairly small gathering (30-50 people).