I agree - at a very low 100MHz per player that's 25 players to a 2.5GHz Xeon core, 100 per CPU, 200 per server. Assume 100,000 players, that's 500 decently spec

I agree - at a very low 100MHz per player that's 25 players to a 2.5GHz Xeon core, 100 per CPU, 200 per server. Assume 100,000 players, that's 500 decently spec'd servers plus redundancy, bandwidth, storage, sysadmins, etc.