Hmm, not bad. I like the wheels and i can't wait to see that exhaust fitted.
When you say this is your first time masking, do you mean masked and airbrushed or brush painted? I think it would look a bit better if you touched up some of the edges of the orange with a fine brush.
Also, my eyes may be deceiving me, but it looks like you have not painted the rest of the interior. It would look a million times better if you painted it with a flat white paint.
Other than that, I can't wait to see the finished product!
