Check out the offer of theequestriancorner.com. It is offering English saddles. The saddles are made of French and Argentine leather. Those who are using it say these saddles offer good balance and security to a rider. They come in many styles, including all purpose and event saddles. Take a look at All Purpose ANKY saddle. It features kneed blocks and deep seat which offers balance to rider.
I know about these things because I have spent a large part of my life inside a race course in Karachi. I have seen people discussing about these things and horses.