Do your first few flights with a competent instructor on a buddy box. Even if you can fly and land the beast, the real thing is sufficiently different that an experienced pilot will be a great help. My be it that you will solo in fairly short order. There are lots of other things to learn as well that are not covered by the sim:
1) Preflight check - get someone who knows what they are doing to check it over thoroughly.
2) Aircraft, radio maintenance
3) Field rules and safety, also frequency control
4) Starting and tuning the engine
5) Maiden flight - trimming. Very difficult if you haven't done it before with a real plane.

Have fun!

Ross