IMG| because we can make credits enough to keep an all fleet flying around, you are able to create mining char, hauler, fighters and bombers to the defence wing. The Taus and the Omegas are pretty much interesting in both RP and Pew Pew, so a char(s) you can have will have both of those.
RepEx, because of the credits making also, you can fly around meeting interesting people and pirates. You can also create a fighter(s) to defend the convoys.
In all, its all up to you if you want to powermine or powertrade, i don't do that.