Just saw this stuff on IOL, didn't see it here so thought I'd post the links
http://www.ioltechnology.co.za/article_page.php?iArticleId=3679673
http://www.ioltechnology.co.za/article_page.php?iSectionId=2884&iArticleId=3679710
http://www.ioltechnology.co.za/article_page.php?iArticleId=3679673
http://www.ioltechnology.co.za/article_page.php?iSectionId=2884&iArticleId=3679710