The Gold Edition pricing has been fixed! If you are still seeing 10,000 SP for this world, clear your browser cache and try again. If you are still having issues, head over to forums for additional help.
The Sims 3 Aurora Skies world has just been released in The Sims 3 Store! There are two versions of the game: The Standard Edition which includes the Hot Air Balloon, and The Gold Edition which includes the Hot Air Balloon and the Tiny Prodigies Early Learning Center.
I will have a complete info post on this world available later today.