Ted, there are some minor problems from time to time at CM. The problem is that it is getting too popular and the server is overloading. He was forced to go from a $13 dollar a month shared server to a $300 a month independent server just last week. Even the new one is getting bogged down at times.
With the site being free and really catching on, something has to give sooner or later.
Mock Draft Central, who some say is superior to CM, charges a fee to use it. I'm not sure if CM is headed there or not. But, staying with the no charge does have it's problems with just too many users.