I must admit I don't pay much attention to this rule. As we all know it prevents you putting two upgrades with the modification key word on the same ship.
It isn't that I ignore the rule, just that it is so rarely a problem interaction that I sort of forgot it existed. I quite like High Cap Ion Turrets and love QBTs but don't often feel the desire to combine them on the same ship.
Now with Wave 7 approaching it may become more relevant. I noticed whilst trying out a Konstantine Cymoon fleet needing to add Pylon Q7s (which I think you must have at least 2 in a Konstantine speed trap fleet) when I already had Spinal armament.
So what are the experiences of others? How often do you get caught out by the rule? What nasty combos would you like to use if the rule didn't exist?
Edited by Mad Cat