“If Google is the Web’s reference library, Technorati is becoming its coffee house.” - Time magazine
Technorati is the blogosphere's definitive search engine. If you're looking to start a blog at your organization, start here. The site is full of blogging resources and lists the top 100 blogs as a reference point. For organizations already blogging, see anything these top 100 blogs do that you don't?
Spend some time at Technorati. It is the gateway to infinite blog knowledge.