I wouldnt bother getting the standard ecu mapped no, I would either leave it standard (it should cope "ok" with those mods) or go straight to aftermarket now

As per what Clarke says, Mtech have a lot of experience with their V4 ECU on the Zetec engines, so are a good person to talk to, in their group buy they are doing its only about 495+VAT IIRC including some mapping, all you have to do is make the loom up.