Something that is/going to be a big problem is spawn trapping. There's a handful of spawns (right in front of the L building, and in the center by the tunnel) that can get pretty brutal for new players and it's nearly impossible for them just to get breathing room. I would recommend doing a quick fix by making some sort of spawn protection, or changing a few spawns that way players don't get eliminated too quickly.

Not knocking on TDM as I'm enjoying it very much, but this is something that could be pretty devastating for new players.