Same problem here! We used to have a setting of everything normal, but with FF on, but alas with the way Battelog filters servers with "Normal" or "Hardcore", anything out of Normal or Hardcore preset won't show up on the server browser, unless you make an effort and uncheck them both

We're actually contemplating on going Hardcore mode also, but we really need regular players for that or else the server will be a ghost town all the time 8(