Yeah, the lingering AOE is a bit annoying to work out in game play. Be easier if all cloud effects lingered, at least until end of round (defined as the end of the other player's turn). That wouldn't be a bad list for having Stun Pistols and/or Riot Grenades. Yeah, you can hear someone rack a pistol about a block away where I live! Yeah, would definitely need some mission support. But Riot Grenades and other stun weapons would be great for use with expanded civilian rules (like the Crowd Templates I came up with). Lets you actually drop templates on civilians without severe repercussions.