[font size="1" color="#FF0000"]LAST EDITED ON Oct-21-02 AT 01:12PM (Est)[/font][p]Try Target. That's the only place I have seen 8's and 12's. Wal-mart nor Sports Authority doesn't carry them in those sizes (just the 5# increments). At least this is my experience in my area, New England.
Another thing you can do while you're still searching is to use 1 to 2# ankle wieghts on your wrists in addition to the dumbell to simulate the heavier poundage. I do this to get 12.5's and 17.5's. It works to get me past that in between stage.