I think it will be a sad day when cars are no longer produced here. I now work at Volkswagen rather than Ford so I'm less concerned by this issue than I was a few months ago but it's still not good.
Personally I think Ford will definately stop building locally first, followed by Holden and then eventually Toyota. We were hearing rumblings from Ford employees for the last 12 months about the future. Apparently there has been no new Falcon model designed for post 2015. When you consider that everything Ford builds here is off the Falcon platform, that spells danger!
I just hope enough of the Falcon Ecoboost 2.0L turbo engines get out into the market before Ford winds up as this will be the next big thing in conversion engines - 175kW turbo rear wheel drive engine in auto or manual capable of a lot more power, huge aftermarket support as it's available in America and Europe as well - awesome!!
Back on topic though, the only way for the local produces to survive is to either develop an export opportunity or to hope that you're the last man standing and rely upon Australias loyalty to an Aussie built car!