I got very good results with D'Addario ProSteels, or whatever it is their brightest stainless strings are called. They last much longer than Rotos, which may be a little better, tonally, but Rotos have the half-life of a mayfly. D'Addarios really last and they are _cheap_ at JustStrings.com
(Message edited by hifiguy on November 15, 2013)