Watched Rick Parfitt on a web cast, some interesting questions and answers, He use heavy string's with a wound 3rd,at one time he used a bass guitar g string as His bottom E , he is also a big fan of Bruce's style and sound, and when asked who he would like with Him on a dessert island said Hank Marvin, as he as always been a fan.
He also showed some of the various guitar tuning he uses Drop D, and a strange on Dropped B.
John H