Add/del printer w/no user intervention

Issue: How do I remove and add network printers with no user intervention AND have it apply to all current profiles. Further, I would like to write a script that will check what printers are currently installed and replace those with a new printer (network queues) ie: read registry -> replace \\server1\printer1 with \\server2\printer3. I would also need to to determine which printer is default before replacing.

Info: 000 pc network. Assume win2k clients and win2k advanced svr.

I currently use the printui.dll to add/remove printers but that does not affect current profiles.