My replacement window regulator finally arrived today. I ended up buying one from a wreckers in Perth via ebay for $132 (who seems to have a lot of Flandy parts including more regulators) - seemed to be the cheapest options as local Melb wreckers are after $240 for them - new from Uk was going to work out to $400 and new here was $600. One wrecker did reply saying that they have new aftermarket regulators available for $400 also.

Anyways, half an hour later and its installed and appears to be working fine so its all good. Can't work out how the damned window heater connectors are meant to attach to the glass though - they're an odd design and no matter how I wiggle them they don't seem to attach to the connectors firmly.