Links:

Hermetic Virtues: New site, but good place to buy Golden Dawn out of print material etc.

Ritual Magick.org: Small but growing repository site for western magical tradition

Journal of the Western Mystery Tradition: Online journal of excellent material, be sure to check the archives

Hermetics Resource Site: Variety of pdfs and articles

Theurgia.org: Articles etc about theurgy

Enochian.org: Articles, how-to's, and buy supplies for Enochian Magick

Twilit Grotto: Several online texts of ancient books of wisdom

Copenhagen Qabalah: One of the best qabalah sites

The Golden Dawn Lectures: Almost all the Golden Dawn papers online

Sacred Text Archive: Just what it says

The Hermetic Library: Good collection of Primary Texts as well as a repository of many important, but not 'famous' magickians, like Benjamin Rowe (Emperor Norton), Bill Heidrick, and others. A generally well regarded and trusted source.

Places to Buy Tools:

Kamazah Magick Works

St.Andrew's Chruch Supply: Great place for robes and grimoric supplies

Alchemy Works: Place to buy raw herb and incense

Soma Luna: Oils, incense, and various things