I love these sites for their content which is informative and interesting.

http://www.wiggle.org.uk/ Here you can search for British classes, Haflas, Workshops and more

http://www.planetegypt.co.uk/index.shtml The wonderful Anne White's Planet Egypt, classes, events monthly show cases and more

http://www.raqssharqisociety.org/ Classes, Courses, Workshops and Events, a non profit organisation.

http://myweb.tiscali.co.uk/hurdweb/LBD/index.html Linconshire Belly Dance Website, with details of Haflas, Shows, Classes, Workshops etc