Well y'all have me curious. So I just ordered a set of the Mediums AC-113 Thomastiks (and some of my stand-by D'Addario EJ17's) from 'Strings and Beyond'
http://www.stringsandbeyond.com/thomastik.html
- free shipping over $35 and 10% off Thomastiks right now ($17.00 for a set).
--Bill