Purchase of Computers and Other Bundles

Our client has a need to purchase bundles such as computers.  When purchasing a computer, they want to specify e.g. the internal part number for computer on the requistion, the part number for e.g. the monitor at $0 as its included, the mouse at $0 as its included, etc.  .... potentially they might want to include, e.g. an external drive option which might be $50 extra.  Has anyone else had similar requirements?  How were they satisfied?

Comments:

1.  We are not utilizing punch-out.

2.  We are using iProcurement and ALL requests will be initiate via iProcurement.

3.  I've looked at requisition templates, my concern with them is when grouping onto a PO ensuring all the appropriate req lines are selected and appear on the PO together in a meaningful manner to the supplier.  Additionally, being able to link the bundled items together in some manner in the event the requisition has other lines (non-bundle related).