There is a review of Paul's stuff on the current issue of Positive-Feedback and a couple of DIY recipes are listed. I used the one that was printed in Absolute Sound for a coupls of years and tried a couple of the commerical multiple step solutions mentioned by the author as well. I concur w/others here on 'gon that Paul's stuff is excellent. It's simply the best that I have come across. I recommend Paul's solutions most highly.
