A300 Super Transporter

Hi,

Does A have any plans for replacing these, and looking at the following link, especially the DHL one, I was wondering why no bulky cargo carriers haven’t approached A asking for some for use:

http://www.cardatabase.net/modifiedairlinerphotos/search/search.php?search=normal&type=&airline=&aircraft=Airbus%20A300%20Super%20Transporter&enhancer=&sort_order=DESC&order=id?&view=&where=&nr_of_results=13&first_this_page=10&page_limit=10&order=id&sort_order=DESC&thumbnails=&engine_version=&nr_pages=2&page=;