Dude, make it insultingly simple: start a server, settings with passwords, give out URL and port, begin
Copy ruleset from GT09, end of story. Don't bother with the map, simply get the best available, period.
Ok, maybe reduce caravan income by half
I know at least of two people who, when I told them a new game was starting, fist asked "GT or LT". When I said LT, they said "never again". So there is some target audience