I always think blue calipers look much better with grey.
http://cgi.ebay.co.uk/MGF-TF-BIG-BRAKE-KIT-305mm-BGF305KIT_W0QQitemZ260257990560QQcategoryZ10414QQcmdZViewItemQQ_trksidZp3907.m263QQ_trkparmsZalgo%3DSIC%26itu%3DUCI%252BIA%252BUA%252BIEW%252BFICS%252BUFI%26otn%3D37%26po%3DLVI%26ps%3D54