About the title, "Cluster that index - part 2", it should have been either simply "Forward pointers" or maybe part 3 och Cluster that index, since there is already a part 2 (http://www.sqlservercentral.com/columnists/chedgate/clusterthatindexparttwo.asp). 
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Chris Hedgate @ Apptus Technologies (http://www.apptus.se)