Hehe, I moved from Lake Macquarie to Blackburn 6 years ago! Actually, my wife's family are your way.
We're movin' to Canberra in a few weeks though.
Anyway, full path to your save games will be: C:\Documents and Settings\<Login Name>\My Documents\SH3\data\cfg\Careers\<Commander Name>\<Patrol Nb>\
FYI the next release of SH3Cmdr will largely automate what you are wanting to achieve.