Well I have moved all Actions from OW to DW and it didn't brake. Also Traits are modded to use OW (Unnatural giving +4 gives more manageable bonus than x2 or x3)
So for example when making Lightning Attack your WS bonus is maximum number of attacks you make (per melee weapon) so Dual-wielding you make double that in possible hits.
So WS 50 guy can get max 5 hits per melee weapon, so total for dual wielder would be 10. Dodging all those is quite a feat, so you would have to roll 10 DoS in Dodge/parry for not gettin hit.
Also for Overwatch, you don't interrup other characters turn but you both take action at the same turn.
From Overwatch action description
"If this attack occurs at the same time as another character’s Action, the character with the higher Agility acts first. If both characters have the same Agility, they make an Opposed Agility Test to see who acts first."
It's good to have your players stats handy as you can make some dice rolls for them and then say "Sorry you didn't notice anything" or in case someone has paranoid talent "You feel your neck hairs raising as you notice something is foul"
And I use software to make dice rolls so I can show my players how I rolled for them after declaring they are suprised so no one can say I have cheated. Not that they are demanding it as they know I don't fudge or cheat on rolls.
Muutokselle annamme Elämän, Elämälle annamme Muutoksen.