I see this morning that Loki Eliot has a post up titled: The Secrets of Mesh Landimpact. If you are not into the techy details and math, this would be a good article to read to get an idea of how the new Land Impact Costs work with mesh objects.
It isn’t that Loki doesn’t get into the techy stuff. It is just he explains it in ways that are not all geeked out. Plus he provides illustrations to show what he is talking about.
Check it out.