I noticed there are a couple of 4drs on Gumtree - Melb at the moment - a blue one and a red one.
PMs end up as emails when you send a message to the individual. Just click on the username and you PM from there.
I was in a similar situation to you when looking for a K11.
In the end, my budget ruled out the nice additions in the Super S. Plus, I planning to strip it out anyway :)