Good luck to Cranky Frankie at SFC. I haven't played FM13 with Sydney yet, but with APD it's worth a go.
I have however built up a 5 tier, 90 team Australian promotion relegation league system with an FFA Cup and League Cup. A "new television deal" sees most clubs as viable. Gold Coast is back in the A-League (and cashed up). Wollongong are back too (with Chippers and Wilkshire) A Canberra team (Simunic returs home!), Adelaide City, SM Hellas and a 2nd Perth team are also in the A-League. A team based in Solomon Islands (Island Wave) play in the 4th tier, ditto Port Moresby Kumuls. Another Kiwi team out of Auckland in 2nd tier. Regional teams from Albury, Werribee, Wagga Wagga (where I'm at), Bundaberg etc. Sydney Uni and Monash Uni in the amateur/semi-pro 5th tier. All the old skool NSL teams are in. And Hakoah is back! (cashed up in the bottom tier).
It works a treat and I would love to share it, it's just that I don't know how.