Hey troy, as it was my car, and I had the same thoughts as you, I was told to go with a decent set of injectors and ecu.. Rb25 AFM's work well for the power you are wanting to acheive, so I would suggest a Power FC, they are readily available second hand, and they are a cake-walk to install and tune.
Therefore my suggestion would be in this order.
Power fc
Injectors
Full service
Tune
See where youre at when this all goes down and you should be good for what your chasing.
Then stage two would be imo.
Turbo upgrade
Cooling system revised, including radiator, and oil cooler
Air intake system revised, AFM and CAI
Re-tune
This would see the car becoming quite a scary and fun little street car for what it is..