If you are a long term holder (more than 3 months?) then you would know that BON are exploring for on-land diamonds in South Africa (Bronkhorstfontein):
http://www.asx.com.au/asxpdf/20071012/pdf/3152q3fnqww8h7.pdf
Yes they have been steadily collecting marine diamonds, but maybe some news of diamond discoveries in their new land tenements, are in the pipeline. That would be nice.