I know there's a few people out there doing it, here's a link or two to kick it off
http://www.harmony-central.com/Effects/Articles/Flanging/
http://www.harmony-central.com/Effects/Articles/Phase_Shifting/
http://www.harmony-central.com/Effects/Articles/Flanging/
http://www.harmony-central.com/Effects/Articles/Phase_Shifting/