Really nasty piece of SQL code, definitely not for human-based processing. What do you think about tools that may decipher and visualize such complex queries in

Really nasty piece of SQL code, definitely not for human-based processing. What do you think about tools that may decipher and visualize such complex queries in a more structured way, like DBClarity (http://www.microgen.com/dbclarity/ http://www.microgen.com/dbclarity/)? Have you been using something similar recently? (disclaimer: I work for mcgn)