I'm a australian that moved to Singapore 8 years ago with work. Original plan was only to stay 12-18 months. For the first 5 years, I kept saying "Next year I'll go back to Sydney". I've now given up trying to plan to return to australia, so I'd say, yep, Singapore is my home now.
I do think one day I'll return to Australia. Maybe to retire, and thats a long way off!!
Australia is a nice place to retire.
So is New Zealand.
Really love the pace of life, serenity and atmosphere/air there.. less humid, cleaner, fresher air.