Had a bit of a look around on ebay today:

Coilovers:
http://www.ebay.com.au/itm/181006053...ht_1969wt_1164

CAI:
http://www.ebay.com.au/itm/280944626...ht_5855wt_1164

Rims:
http://www.ebay.com.au/itm/400332778...t_20110wt_4058

And found this XCarlink, so I can just keep the stock headunit:
http://www.ebay.com.au/itm/400332778...t_20110wt_4058

And thoughts?