I know that Laputa is already translated into Cantonese and English, and probably in many other languages. There are Laputa fans all around the world. Here are some of the sites dedicated to Laputa around the world:

• The Hayao Miyazaki Web - this great site has thorough material from all of Mr. Miyazaki's work - must see!!
  
• Ming's Page - one of the most complete Laputa sites around!
  
• Wing See's Page - very beautifully done Laputa page with thorough information!
• Jimmy's Love - Laputa - a detailed story line and character descriptions!
• Levistone.com - a beautifully crafted site! 
• The Ghibli Museum - it is now open!  Can't wait to see it!
• Studio Ghibli - the official website of Studio Ghibli