Hopefully they fix the usability issues they introduced quickly. I'm a long time user and I might bail. More feedback here:
"Suggestions and ideas: What do you dislike about the new design?" http://support.delicious.com/forum/comments.php?DiscussionID...
Maybe contact Bernard as well:
Bernard Kerr, lead designer user experience designer @ delicious http://infosthetics.com/archives/2008/04/bernard_kerr_yahoo_...