Update 2011/09/17: MagicTree build 1559 mentioned in the article is available for download.
In the article we explain how to use MagicTree to analyze Nessus vulnerability scan results and generate a custom report. Download the article here.
In his review Aby Rao points out MagicTree's "clear user interface design and intuitive data structuring", mentions "the simplicity in [...] generating results and then saving the report" and concludes that MagicTree data import capability "makes it a powerful interoperable tool". He also has several suggestions for features such as compliance report templates, PDF and HTML reporting and the ability to generate graphs in reports. All in all, very positive.
In the meantime we are working hard to push out the next release and hope to have it out before the end of September.