Welcome to the forum!!!
Heaps of info on here to keep you reading for days & days.
I agree with Big Jules in regards to the tent being the most important. Good quality & well made Aussie tent will last forever if you look after it.
What sort of budget are you looking at & what mods?
I don't envy you with your search as there are so many good Aussie made CT's out there. Might want to try and do a bit of a spreadsheet so you can compare.
We love our Customline but it's horses for courses......bit like house or car shopping...
Also don't rule out buying second hand too....
Good luck with your search & ask away.