well, a good indicator is clicking on the search for amvs button in your members main page.
you will be taken to a page with more buttons (yay...we really like our buttons

)
one of them says new videos, click it.
if you see a lot of red "No" or "none" at the far right of every video description (you should click thorugh a few pages before arriving at conclusions) then the queue is probably broken
if there are a lot of green "local" then the queue is working fine