No, not relocated. I just replied to one in iPod touch forum and when I went ack to disussion it was shown as read by me with my reply. The I peplyed to another discussion, that showed as red but the other one now shows as unread.
I went out and came back aboput four hors later and it is now working find for new post. The old posts that I replyed to still show that i have not read them though. I chalk it up to glitch that went away.