Yes, there's already a great job. But look, if you can, to the Aerostar 700 by the PAF team
http://pattenflightgear.wifeo.com/aerostar700.php.
There are lots of details in the interior, especially in the passenger side, doors, etc.. The Extra-500 lacks some of this detail, and it deserves that level of detail, because it's really an excellent aircraft! It is even without those details, but if it had them... it would be top of the top!
Just suggesting. Congratulations anyway for the great job!