Ca migrating to sap

Some jobs in the portal advertise that there are good opportunities if a CA migrate to SAP CRM or SAP pl suggest me in this regard how far we miss or gain everything in this regard. How will be a CA's life if he goes to SAP etc pls suggest. Are we missing anything from our core areas like accounting, auditing, taxation. pls suggest me it is urgent I want to apply these jobs and I am also getting call to join in SAP jobs pls suggest good and bad considering our future