Dark Sun is dead as far as WotC is concerned. Same with all of the others. There may be a fan based site for continuing the content somewhere like the other campaign settings have but it would be unofficial.
Try here if you want to read her news posting style
http://www.blackisle.com/oldnews.html
I don't know when she left Black Isle but I think the 2002 postings are from her. I never had a problem with her style myself anyway.