Typography and the Web

Typography Articles
List of Web Safe Fonts
List of Special Characters in HTML
Typography Speaks Louder Than Words
Why Typographic Choices Make a Difference
How to choose a Typeface
What Font to use?
Combining Typefaces
Type Guidelines and References for the web {great article by Smashing Magazine}
I Love Typography {articles, resources, fonts}
Web Font Services: The Good, Bad and Ugly

Web Type Services

@font-face kit generator

Google Web Fonts
Adobe TypeKit

More Web Font Embedding Services {via Smashing Magazine}

Font Foundries {not all fonts are created equal, and should not have been created at all}
Emigre
League of Moveable Type
Berthold Types
Font Shop

Don't Know What Font it is? Try WhatTheFont.com