This one looks good : http://www.aeroflyfs.com/index.php/de/
Quote 'The new flight simulator aeroflyFS makes a splash from the start. There has never been a flight simulator with such a perfect flight physics in connection with such elaborate graphics! Convince yourself of the quality and performance of the brand new aeroflyFS
.In addition to the performance of the graphics and also the price of aeroflyFS is sensational. Only 39,99 € will be an introductory price! The two discs contain all of the flight simulator, aircraft and high-resolution landscape. Go for it!'.
Have a look at the videos. The Extra looks very impressive as does the Swiss scenery.