No 3D in DCA. Just NATO and silhouettes.I went and took a look at DCA. Does the game have the ability to render the units in 3D like CS, or are you limited to just the 2D tiles?
CS does not look good in 3D on my 4k setup and when I was running at 2560x1080 it didn't look good. The scaling was off and the 3D images of vehicles and infantry looked awful. Even the DC Middle East which I think is a newer engine then the older CS series didn't look good. I re-installed CS Middle East and updated to latest version and at 4K it looks pretty bad. The terrain is passable, but the 3D images look bad. Even 2D view wasn't impressive.
The screenshots I saw of the newer CS Viet-Nam didn't look like a big improvement over the current stuff.
All this is subjective. For some its no big deal, for others it matters.