Hi Colin. Try some of the links below for whistle newsgroups (the links did work when I bookmarked them). Some are new and only building in size.

Dale Whisleys is about the best.

http://members.aol.com/planetmac/whistle/whistle.html

http://clubs.yahoo.com/clubs/tinwhistlepage

http://forums.delphi.com/preview/main.asp?sigdir=tinwhistle

http://www.verinet.com/~ktcrumb/tunes/

http://www.mindspring.com/~whistler/tutor/index.html

Happy blowing

Mike