Originally Posted by katzenstreik
Your Kindle will be able to work with your persian pdfs just fine - even though it doesn't (yet) support persian or arabic fonts natively. Remember: displaying pdfs is like displaying pictures. So your Kindle will be able to support Klingon or Marsian if you have it on pdf!
I think it depends if the Arabic fonts are included in the pdf. If not they have to use a Kindle 3 font which may not work (depend on the font type).