Dashing's something I need to work on, I've been considering giving it damage or I-frames.
The ressource that limits it right now isn't thought out and doesn't regen fast enough I agree.
"Strafing" is out of the question though, the game's supposed to be like Luftrausers, which is all about dogfighting, though I may add some slight "aiming" towards the mouse within an angle from the ship.
I want it to be a definitive game, the scope of it seems small and reasonable, and so far the project has only been going on for about three weeks.