Have used private and open sources myself in the past, my honest opinion there is no difference and I am better off with an open source as I opt to do my shopping with now for the most part. If you really think about it, private sources just hype this bs about greater security and better products or something. It is compete bs though. How many people ever got busted when a site was busted? How many times you hear of people getting busted when a private source is busted? Something to think about really.