I would love to have more reasons to interact with friendly fleets. For example, you could buy a derelict ship from a scavenger fleet in the outer reaches of the Sector, or get clues as to where you might find some blueprints if you give them some credits (and/or have a Friendly or Welcoming attitude with the indies). You could also buy fuel and supplies from merchant fleets and sell them commodities (perhaps only of the type they are currently transporting to their destination). You could strike a deal with a bounty hunter to escort you and deal with that pesky pirate the Hegemony wants gone together. You could sell illegal commodities to smugglers, etc.
There are a ton of possibilities, and I really hope this is something we see soon!