ACL Gasket kits generally uses a graphite or composite head gasket that will eventually erode, delaminate and leak. You should use a multi layered steel (MLS) one as came with the AU and available from Ford or Permaseal. (e.g.
http://www.ebay.com.au/itm/Ford-Falc...item2c6a4867be) While many shops will skim it as a matter of routine, it is not mandatory to skim the head; you just need to carefully very check it for flatness (a laser light is a good way to do it).