Any locksmith can make copies of the original key.
You are right this car is a hoot to drive, zipping around in the city or cruising at high speeds on freeway. It's very nimble and stable at high speed, fun on twisty roads, engine revs up quickly and screams like a jet engine.
The car has excellent driving dynamics under most situations. Guys who own BMW 3s and 5s were surprised to find the Celica GTS a lot more fun to drive, far more stable and controllable at high speed.