Interesting resources and links about IBM Cognos

In a Linkedin debate members have proposed a list of references and useful links about Cognos BI, as well as forums, blogs and resources. I've organized a bit the proposals. I hope you find it useful!

IBM Resources

• Evaluate: IBM Cognos Business Intelligence
• IBM online documentation
  Information Center about IBM Cognos Business Intelligence 10
• Best Practices with IBM Cognos
  Cognos Proven Practices documentation
• Searches of articles at DeveloperWorks
  DeveloperWorks, Technical library, Information Management with Cognos (modeling) 
  DeveloperWorks, Technical library, Information Management with Cognos (reporting)
• Product documentations about Cognos Business Intelligence (pdf's)
  Cognos Business Intelligence version 10. Product Documentation
  Cognos 8 Business Intelligence version 8.3. Product Documentation
• Cognos 10 ebook on IBM Redbooks
  IBM Cognos Business Intelligence V10.1 Handbook

Forums

• TM1 Forum, Discusing all things TM1
• Cognoise, The Cognos community
• Cognos forums at ITToolbox
  Foro de Cognos 8
  Foro de Cognos 10

Blogs

• PerformanceG2 blog
  G2 Live Blog
• CogKnowHow web
  CogKnowHow Forum

Videos

• Youtube channel of PerformanceG2
• IBM Cognos BI tutorial, from iAspireAcademy
• Search of 'Cognos' on Dataprix.tv

Si you know more links, blogs and interesting resources, share it!