"Beginning Fingerstyle Guitar, by Lou Manzi (ISBN 978-0739009550) is a book I found really helpful. It's the first in a series of 3, I haven't used the second and third books in the series, but the first one was excellent. I worked my way…"
"A member of the Let's Talk Guild forum swears by them, particularly for guitars with maple back/sides. I have a set I'm going to try on my next string change. So far, no personal experience with them."