13 Reasons to Migrate from SAP PI to SAP PO (and Intelligent Business Operations) – Chalk and Cheese – Key for S/4 HANA

http://scn.sap.com/community/process-orchestration/blog/2015/04/28/13-reasons-to-migrate-from-sap-pi-to-sap-po-and-intelligent-business-operations-chalk-and-cheese-key-for-s4-hana