Simon downloaded the free demo of KLAS from fsdreamteam; he notes very good detail, and the free use period seems a fair amount of time too, enough to really explore it well before deciding to purchase.
Simon adds: “Crazy good fps performance, even with heaps of traffic and the strip nearby. It must be pretty accurate, as even in-sim it looks a very unpleasant place!!” He’s right. It is. Las Vegas has an excess of everything on hand that looks downright fugly.