If you start a thread and nobody replies you can delete it, I've never tryed to delete one of my threads after it has gotten a reply so I don't know if that works. Also I can delete this post also so apparently that works to. I'm thinking that if you start a thread and it gets replied to, then you can't delete it. I've never tryed but that would make sense to have it that way.
>>If you start a thread and nobody replies you can delete it
The privlage to remove your own thread has been removed, regardless of posts.