I've got a grate video from Brendon Seppa, where he is comparing social file sharing capabilities of IBM Connections 3.0.1 and MS Sharepoint 2010.
Try to guess who wins the battle ;-)
Enjoy the fight here:
One of the largest advantages of WebSphere Portal is that it allows to create very robust portal solutions, especially due to the clustering capabilities, provided by WebSphere Application Server. In addition, there are a number of options to put WebSphere Portal in a Cloud:
Recently I've found a grate demo, showing the advantages of WP Farming in Amazon cloud, especially in dynamically adopting to the current load by brining up and down the appropriate nodes in a farm.
Here it is, enjoy: