Being a list of other interesting SCA or rapier-related websites.
Darkwood Armory Arguably the best SCA rapier gear on the market today.
Zen Warrior, Fencing and rapier gear.
American Fencers' Armoury More fencing and rapier gear.
LinenArmor.com I've never bought anything from these folks, but their stuff sure looks pretty.
Rapier blades used in the SCA A collection of pictures and information about lots of SCA rapier blades, plus other interesting SCA stuff.
The Raymond J. Lord Collection Scans of historical combat manuals, starting with Manciolino's Opera Nova in 1531, and going through the 17th century.
De Arte Athletica by Paul Mair. This is a gorgeously illustrated two-volume manual of arms from the 1540s, with everything from jousting lances to rapiers to scythes. The text is in Latin, but even if you don't read Latin, the pictures alone are worth the trip.
Don Danulf's Academy of Defence Some "Junior Scientist" articles, as well as links to other SCA rapier sites.
The Academia della Spada A group based out of Seattle.
The Trayn'd Bandes a group that re-creates the the civil and military lives of Elizabethan and Jacobean citizen-soldiers, the families, and those who lived around them.
Shield and Weapon Weights an article from Cariadoc's Miscellany.
The Known World Academy of the Rapier. KWAR AS XLIV was held the weekend of October 10th in the Barony of Bhakail in the East Kingdom (Philadelphia PA.) This is the teaching event for rapier combat and related topics in the SCA. I was there, and taught a few classes. When next year's KWAR location is chosen, I'll post the information here.
Here's a [chronology] of all the KWARs.
King Rene's Tournament Book An English translation.
Stefan's Florilegium An amazing collection, including articles by SCA folks, quotes from from the Rialto (rec.org.sca) before it dried up, and from various email lists.