two that I know of off the top of my head- both pretty esoteric players
http://www.flickr.com/photos/79117084@N00/276929040/ < jon gutwilig of the disco biscuits http://www.bucketheadland.com/faq/faq2/FAQ_2_0.html#20 buckethead
http://www.flickr.com/photos/79117084@N00/276929040/ his pedalboard^
apparently a big fan of EHX despite being on the boss website
I am getting this too. mine’s in an effects loop
