In PM, the 'quote' is equal to reply. If you don't want the original message, just remove it from your message. If you want to send a new PM to a user, just click on the username and choose "send a PM" from the popup menu.

Now you can set your custom title now in the "edit profile" under "user CP".

All functions in the old version are still here. In most cases, we can't find them simply because we are so used to the old format. Patience is what we need.