The Qur'an (2:276) says: "Allah has permitted trade and forbidden usury" and in 2:278 reminds the Muslims: "O ye who believe, keep your duty to Allah and relinquish what remains (due) from interest, if you are believers."
As a prospective purchaser of Islamic mortgages, we believe that you need to understand the issues which exist, question the authority of the Fatwa's which have been made and look to see what is right for the eyes of Allah.