hmm, it is now working in 4 way crossfire, i assume it will work with no crossfire if i use a monitor on each graphics card.
one of my cards fan has just died though so im one down.
i have fixed one of my problems, i think it was user error as you cant click a card into the bottom slot with any usb or front panel, or fan plugged in.
the other problem is overclocking, i cannot work out how to do it with more than one card.
Use the steps outlined in this link:
http://www.legitreviews.com/article/1090/1/ That should do the trick.