I have to agree with Empeze - as he and I both mentioned, if you make the add on too powerful, then you end up with every battle being a battle of heroes, with any ships without heroes being cannon fodder, only there to let the heroes win the battle.
I know that Star Wars fits the idea of heroes very well, but I'd still want to limit them... how would you point cost the emporer's battle meditation skill? Per the novels, the entire imperial fleet was better, because the emporer, through the dark side, was able to enhance them..... Let's figure the cost of that......LOL
However, if you look at it, Starlancer has heroes in it, so does Wing Commander....ect. Any game can benefit from a little bit of variance.... as long as it doesn't equate to "I pay the points for Q --- you lose." (Every discussion I have ever seen on comparing Star Trek to Star Wars ends with Star Trek has Q ---- you lose.)
At the same time, a simple + 1 to gunner really isn't any more powerful than buying +2 impact on your weapons.... ect. Especially if we cost the hero gunner correctly ( I still prefer the ability to counter a penalty of 1 with a single bank of weapons, myself --- i.e. I have a ship armed with lasers and torpedoes -- my gunnery officer knows those lasers well enough to compensate for power loss, ect... and therefore negates the penalty for long range.... the torpedoes are still fired normally, and if I added a rail gun to the ship, then it follows the normal rules as well.)
In addition, I would limit the points spent on heroes (really between the players, but I'd have a standard cap of 5 - 10 percent of total) and also limit each ship to only one hero / crack crew / expert fighter wing / ect.
So, the Carrier Vengeance is know for the 101st Vipers Strike Wing - even though it has other wings of fighters, it is know as the home of the 101st Vipers Strike Wing. It may carry 6 wings of fighters, but only one is elite.... Meanwhile, the Destroyer Nemesis is known for it's highly accurate laser batteries, even though it's sister ships the Dauntless, and Maverick.... which are always deployed with the Nemesis are just standard ships.
In one off games, this probably wouldn't be that great, but in campaigns, or where players use the same fleets over and over, this would work well.....
Nahuris