Well, my breeding operation seems to be well underway, and so far is very successful. I'm on my second "set" of litters now, and currently have the following:

3.8 adults (at least 2 pregnant now)
0.0.11 hoppers
0.0.21 fuzzies
0.0.24 pinkies

This is all in 2 tubs... my third tub isn't producing yet due to some stress issues which I fixed last weekend by re-arranging my furniture so the cat's can't get to that tub any more...