There has been a debate going on in Sweden about Djokovic possibly playing in Marseille just to collect appearence money.
Mari Ancic's Swedish coach Fredrik Rosengren wrote a blog post titled "Where is the honour?" that started quite a few discussions (It's in Swedish but Babelfish can probably translate for you).
http://rosengren.blog.mtgnewmedia.se/2008/02/14/var-finns-hedern/
This interesting post from tennistalk.com however, is in English. What are your comments/thoughts?
http://www.tennistalk.com/en/blog/Mr._Chip_&_Charge/20080222/What_a_joke,_Djokovic!