No. I guess what I’m thinking about would just be another tool that could be added to the kitchen sink that’d allow your post to be split into columns. For example, on this page on my blog: http://hundredgoals.com/100goals the list is long, and there’s a lot of wasted space. If there was an option for two columns, I think it would look a lot better.
So the tool would be able to be applied to every theme, not just specific ones. Like BOLD can be applied to each theme.