Mistking
I have to say I have had a Mistking for a little more than four months, and it works great. Call Marty I am sure he will take care of your problems. After all you can't compainabout the service if you dont contact Marty so that he can fix it. After all he offered to send you a whole...
There really is no reason to seperate them, unless your colony gets to big.
Check out http://www.roachforum.com/ you will find all kinds of info on sexing roaches.