SQLWebpedia

Februrary 28th 2008 is official launch date.

Free E-Learning for 2008 - https://www.microsoftelearning.com/eLearning/offerDetail.aspx?offerPriceId=127516 (requires Microsoft Passport login to get the free stuff). 

Main site: http://technet.microsoft.com/en-us/windowsserver/2008/default.aspx 

Overview: http://www.microsoft.com/windowsserver2008/evaluation/overview.mspx 

2008 Learning Portal: http://www.microsoft.com/learning/windowsserver2008/default.mspx 

Clustering: http://technet2.microsoft.com/windowsserver2008/en/library/13c0a922-6097-4f34-ac64-18820094128b1033.mspx?mfr=true 

File Server Clustering: http://technet2.microsoft.com/windowsserver2008/en/library/40bdcbc9-ce96-4477-8df3-7a20d4bc42a51033.mspx?mfr=true 

Print Server Clustering: http://technet2.microsoft.com/windowsserver2008/en/library/40bdcbc9-ce96-4477-8df3-7a20d4bc42a51033.mspx?mfr=true 

NLB: http://technet2.microsoft.com/windowsserver2008/en/library/40bdcbc9-ce96-4477-8df3-7a20d4bc42a51033.mspx?mfr=true