So the Kingmaker expansion included Kingmaker, ShadowGuard and Witch's Wake but does the re-installer include Pirate of the Sword Coast, Infinite Dungeons and Wyvern Crown of Cormyr?

List of premium modules on wikia:

http://nwn.wikia.com/wiki/Premium_module

Okay after spending half an hour or so reading old threads for the benefit of others...

Pirates of the Sword Coast: http://content.bioware.com/neverwinternights/modules_premium/PiratesOfTheSwordCoast_Installer.exe

Infinite Dungeons: http://files.bioware.com/neverwinternights/modules_premium/InfiniteDungeons_Installer.exe

Wyvern Crown of Cormyr: http://files.bioware.com/neverwinternights/modules_premium/WyvernCrown_Installer.exe

And according to this post wit the authentication servers killed in the hacking of 2011 they shoudl be playable:

http://www.gog.com/forum/neverwinter_nights_series/premium_modules/post57