I guess the H/W banning is a really good way, I think the best would be if there was a list of used systems and accounts for every player, so you ban a name and automatically every ip(Ip obviously not around midnight for ISPs with switching ips so noone gets banned by accident), Hardware Id, Origin ...

The Options you tried to use are just the launcher options, your ingame options are synced with normal bf3 and available as usual after joining a server. Basically before joining a server you see what used to be the battlelog and after joining one it's normal bf3 with the changes veniceunleashed did...