Here are some sites which we find helpful:

James Moody's home page
Sax legend Moody's own website

Marta Topferova
The new voice in World Music

Jazz Central Station
Probably the most informative site for Jazz

EJN
Italian based site covering all of Europe

International Association of Jazz Educators
Covers music education matters from around the world

Jazz Services (UK)
Help for UK based Jazz artists and presenters

Ronnie Scott's Club, London
Founded in 1959 and still presenting the best in Jazz

Womex
The leading European World Music Conference

Redferns
David has been photographing Jazz & Blues artists
for ever...take a look

Jazz Times
Informative Jazz monthly

Pollstar
Industry info magazine covering most genres

John Critchinson
John's home page

Jazz Clubs of the World
An interesting site

Blue Note Club, New York
Multiple Clubs in the USA & Japan

Dennis Rollins
An exciting young U.K Trombonist

Tina May
An exciting UK Vocalist

Joey DeFrancesco

Tiempo Libre