Well Mr Bleadd, i'm not a developer or so. But i've been playing for quite a long time now
Developing a faction server now would be a great idea, i've never found another one like Infinitel2, it was like... the only way to experience real pvp on a private server.
Even tho sometimes it was hard cause they were about 15 players with B grade and another 50 players with full gear. about the economy, i was the the kind of player who hates to craft and spoil thingies, so i made my money playing on the 1v1, 2v2 (the bracket system was awesome, perfectly balanced), but after 2 wipes when they added S and S80 items things were alot different, no one joined the 1v1 events, it was quite difficult to participate in the KOTH or capture the flag, because of the people full S80, took me forever to get in A grade gear.
So my suggestion would be, to take as long as you need to develop the server, and remember the little things that people enjoyed from the old infinitel2. Honestly i don't like having S80 and S84 items on a faction server, makes it quite unbalanced, but then again not all the people thinks like i do, so to keep everyone happy, make it with seasons, of 2-3 months, and in each new season, unblock new weapons and sets, S then S80, and so on... and in the last one unblock rb jewels, pvp belts, and etc.
Good luck mate =) (Think about all the people who liked infinitel2 and doesn't know about MxC or this post.)