Originally posted by howardporter
also ... does anyone know if there a way to work on a low poly half while a subdivided instance of it udates...? (did that make any sense?!?! I am quite tierd now...)
yes you can do that. you duplicate your poly object with instance, then you scale the duplicate -1 on x so that they are "connected". now if you work on one side, the other side updates. and now you select the copy, and go to convert->polygons to subdiv options. and there you check "proxy object".
now if you work on the poly version of the one side, the subdiv version will update. only problem is - that you still see on the subdiv object the wireframe. you cannot hide it, as that will hide the poly object as well. and you must not change the subdiv object to standard mode as that will delete the duplicated poly object, and thus the connection of the poly object to the subdiv object gets lost.
maybe there is another way - but this works really easy and good
hope that helps
edit: this only works if you do have subd - as you need at least maya 4.5 if you have complete.