I was on Steve Maxwell's website this morning and noticed that he just listed one of these wonderful drums and just to provide visual proof that the Pearl wires work, take a look at the last picture.
http://www.maxwelldrums.com/fibes-55x14-68908-chrome-over-fiberglass-snare-drum-p-13794.html
I was lucky enough to get two sets of the Puresound SFT wires from Bentley's Drum Shop in Fresno about 6 months ago. One set is on my COF and another on a smoke acrylic.