My blogs about data migration to SAP systems with SAP Rapid Deployment Solutions have been moved to the SCN RDS space and can be accessed directly with the links provided below.
#1:
http://scn.sap.com/community/rapid-deployment/blog/2012/05/11/a-better-way-to-migrate-your-sap-data-...
#2:
http://scn.sap.com/community/rapid-deployment/blog/2012/05/24/deep-dive-on-how-to-migrate-your-sap-d...
#3:
http://scn.sap.com/community/rapid-deployment/blog/2012/06/18/how-to-visualize-data-migration-projec...