Make wrecks like asteroids, that way its more engaging.
As for the loss of "PvP" game play. Ganking is not PvP., that's like calling a street thug a Mobster. Don't mind sharks in the water, that's part of the game however a predator should have to hunt for its prey and not be handed victims on a platter.
I agree with the player suggested UO-esque consequences of firing first.