A large ship that could Stealth would be terrifying. Who needs a Stealth-X when you've got the Rogue Shadow?
As for pilots, if you released two versions (Though Rebel is MUCH more likely) it'd go something like this.
Juno Eclipse: PS8
Galen Marek: PS6
Rahm Kota: PS4
Not entirely sure what their special abilities would be, but I got one for Kota.
"Force Insight"
"After at the end of the movement phase, select one of your opponent's movement dials. After this, you may adjust yours accordingly. Apply one stress token."
Because hey, he can see with the force now, but obviously he needs to have some kind of advantage as a result.
It could work. Cloak isn't all that terrifying. Especially qithout advanced cloaking device or Advanced sensors.