Filed under: Private equity, Goldman Sachs Group (GS)Since the story of private equity firm The Blackstone Group's potential initial public offering has been out only a couple hours, it is still very much developing. With so few details out, the implications are as yet unknown. Here is Tom Taulli's earlier piece on the subject.From CNBC's Faber (you can watch the video here, partial transcript's here) we know that the Goldman Sachs Group Inc. (NYSE:GS) and Blackstone attorneys are preparing a prospectus. Preparing is one thing and filing is another, and yet Faber is quite adamant in his belief Blackstone will file within two weeks or by the end of March. Also, the decision to go public rests on Chairman and Chief Executive Stephen Schwarzman. Once again, an adamant ...