HOLYSHIT!
I love blackjack, and i love self-regulated casinos. But dude, if i may make a suggestion, run it more like normal casinos do: 2-8 decks, and set a house stoploss. Here's an overview over some kinds of blackjacks, if you implement some of those kinds with strict rules i'm sure your business will skyrocket. Link:
http://www.winthebet.com/typesofblackjack.phpThank you for your link, I'm reading it eagerly

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Anyway, it uses 8 decks now.