Google's (very long) in depth view of online and offline social networks and what they have learned.
web_design
Webstyle Magazine
This looks interesting but "The lifestyle mag for web professionals" sounds like an oxymoron.
Mixing Typefaces (PDF)
A cross-reference that indicates the degree of compatibility between fonts. This is ideal for selecting combination of fonts for a layout, though I wish it were newer and included a larger set (it was created in 1992).