Guild data by Chack, links refer directly to his site. Contact Chack to contribute updates to the guild data.
Guild summary info was contributed by Hastur -- he did a rocking job, lots of legwork and brainwork. Be sure to thank him if you find his guild summaries useful.
Helpful hints have been contributed by a variety of folks. If a hint seems not-so-helpful, of if you have hints to contribute, send me mail. -- Trouble/Dryad