Dubai's two star developers said they will take part in the emirate's highly anticipated property expo, reversing an earlier decision to pull out.  Nakheel, and its rival Emaar Properties, had unexpectedly pulled out from the Cityscape show, long one of the highlights on the erstwhile boomtown's business calendar before property prices began to collapse in 2008.  The canceled participation of the two developers, famous for projects likes massive man-made islands...more.