I am delighted to announce that on 27th of September 2011 I have been accepted by Istockphoto.com as contributor! This was my third attempt (over a period of two years). I feel very proud of this fact since application process is very selective compared to other microstock sites.
Quote from Istockphoto.com email:
Congratulations! The iStockphoto administrators have determined that your files are commercially and technically ready for iStockphoto.com. Please begin uploading at your convenience.