I wish I had more time for posting the incredible material I come across!
To start with.... lots of exercises!
http://www.agendaweb.org/
cae; writing articles
http://www.onestopenglish.com/section.asp?docid=147736
fce: writing
http://firstcertificate.wordpress.com/tag/articles/ writing fce
http://www.englishforums.com/open/Tests.htm cpe
