Sorry about the betta, but congrats on the gourami.
Oh...and congrats on those fry too. Sounds like at least some of them will make it through to adulthood, as you pointed out. I'm not too sure about why your cabomba isn't thriving. Perhaps someone in the plants section will have some ideas if you've posted about it there.
And of course you do realize that we're gonna need to see some more pics, right...
BV