Good article. Petal search and Gowiki were completely new to me and I pay pretty close attention to other search engines (I created Runnaroo). Another area to

Good article. Petal search and Gowiki were completely new to me and I pay pretty close attention to other search engines (I created Runnaroo). Another area to focus on when reviewing search engines are the enriched results (i.e. "Instant Answers", "Deep Searches", etc.). These types of results have become almost an expectation for average search user almost as much as the organic results.