I think monsters need to use skirmish by default and maybe cavalries should take less damage from archer fires by at least 50%.
Archers were nerfed not by a lot from all the hits I see. They were nerfed a bit. Maybe by 20% or so? They are definitely hitting a bit less than before but they still do quite a bit.
I think the biggest problem with archers is their range. Maybe lowering range of all ranged unit types by 1 would be nice.
A quick non-fix would be reducing the displayed CS of monsters by 33%-50%. I don't know how other armies are faring, but we are constantly winning against monster armies that double our CS, or more, with little or no losses.
I mean, beside that, let's not get too quick to implement major game-changing modifications. Are archers really broken? 'cause if you nerf archers or buff monsters Westgard dies in a week. XD