Nice idea, but you should also look into some small maps too, seeing as half of the time there's never a full list of players.

I suggest these:
Delta Ruined
http://hce.halomaps.org/index.cfm?fid=3167
Snowcast
http://hce.halomaps.org/index.cfm?fid=4162

Also, post the links to the maps so it makes it easier for people to get the maps.