Mica's about 90 per cent Staffy I've been told. I've seen her parents, the father is a pure Blue and the mother is a black and white and looks a lot like my previous dog, Ruby, who was 100 per cent Staffy, but this one is a cross.
I took a risk and bought her on Gumtree - this thread
http://www.ccmb.co.uk/showthread.php...highlight=dogs
tells why I won't go to Cardiff Dog's Home again and I'd recommend that you try the two you mentioned before them - there's also a place near Bridgend that might be worth a try.