Occasionally when I am trying to look at the second or third or fourth pages on a thread, I hit the appropriate button and I am taken to the correct page--but then almost immediately am taken back to the starting page of the thread. So I can read no further unless I look at each message individually. I've tried this both at work (IE browser) and home (firefox) and I have the same problem. But it's not every time.
Anyway, figured I ought to report it now.