Quotidian Hell 
 
Look what The Internet hath brought us today...
3 Feb 2007

Steampunk
The Steampunk Chronology
Ottens.index: Steampunk
Brass Goggles The Lighter Side of Steampunk Weblog
(Those three from the Steampunk Webring)
The Steampunk Librarian Weblog
"Steampunk" on Boingboing
Steampunk Magazine (Currently a watch-this-space site)
Steampunk: Victorian Adventures in a Past that Wasn't Articles, reviews &c. Plus other links.

Other Retrofutures
Tales of Future Past
Retrofuture I may have linked to this before, but it bears repeating.