I notice that my post
http://forums.circusponies.com/categories/4/posts/11833

has a reply, but in the category view at
http://forums.circusponies.com/categories/4

the “Replies” column says “0”.

Other posts like this one:
http://forums.circusponies.com/categories/4/posts/11356
list a non-zero number of replies, but the counter does not correspond to the actual number of comments.