It can be really had to keep up with all of the Twitter and blog data that is generated every day on the topic of Revit.  However, if you have the time to skim through the main Revit blogs and tweets, you will likely find something that will increase your productivity.

In the interest of sharing, here are a few links that may help you get started –

My blog reading list:
Google Reader link here or site link here

Another blog list:
Revit OpEd: Blog Listing – Revit Focus

Revit chat (IRC site open to guests): 

Revit content:
Crowd sourced content list

There is a GetSatisfaction page for Autodesk Seek at this link.  What is GetSatisfaction?  it “is a simple way to build online communities that enable productive conversations between companies and their customers.”

There is a specific page for Seek related Revit topics here.

From the main GetSatisfaction page, you can search for products or companies that have related support pages.

Community-powered support for Autodesk Seek