Cover Systems and Overwatch | Worthless Bums - The Blog
Mr. Bums discusses the variation on “traditional cover” in Steam Marines where they opted for using suppression instead. Pretty good read.
I think the most interesting bits are how we might be able to combine systems to provide a more realistic understanding of projectile-combat scenarios. When you move even a single unit into an enemy controlled region you need to consider that defense of that unit as well as gaining offensive advantage for that unit, are the sole responsibility of the unit itself.