Loading a Mexico XML Invoice in the CFDI Format

Does anyone have experience loading an XML Invoice in the Mexican CFDI Format into PeopleSoft Accounts Payable?   The Mexican government (SAT) is requiring companies to use XML Invoices in a format called CFDI.  From an AP perspective, we are required to receive the invoice (pdf and XML) and validate the invoice with the Mexican government.  The government is requiring this to reduce fraud and increase revenue by enforcing current taxes rather than creating new taxes.  We could process the invoices based on the PDF but would like to take advantage of the XML invoice to create a semi-automated process for creating vouchers.   At