Ferodo DS2500's not cheap though at about £160 and quite dusty.
http://www.camskill.co.uk/products.php? ... s1172p2575
Genuine Brembo Pads are about £120
http://www.grahamgoode.com/subaru/parts ... em=GGS1049
I have a near new set of genuine Brembo front pads for Brembo calipers, that I could be persuaded to sell. They were in my calipers when I bought them (off a near new car being prepped for GRP'N).
If interested I can measure the pad depth and let you know.