Full Text: http://www.searchengineguide.com/hot.../0421_gh1.html
"At the recent Search Engine Strategies conference in Chicago, there was a new addition to the session list: Black vs White, And Lots of Gray! Danny Sullivan wanted to stage a showdown between known black hat SEOís and those that have chosen to tread the purer path."
"Greg made the excellent point that the most serious breach of ethics heís run across in SEO are those companies that use black hat tactics but donít disclose the fact to their clients. He insists on full and total approval of tactics by the client."