Kingstone Press isn't bad - I can get a 660ml bottle for £1 at booths.
Henneys is very very good actually, I particularly enjoy their dry cider (white label), the black label is good too, as is the st george cross label.
Taylor's Gold by Sheppy's is excellent too, AVOID Kingston Black though - that stuff actually tasted like vomit.
Someone mentioned Black Fox before, I assume they mean Black Fox by Dunkertons which isn't bad, although the best Dunkertons is their premium organic (that was in fact the first real cider I ever had. I hated it at the time but now I've come to appreciate the quality)
Have fun going through those!