Playtin is 100% right. I learned a long time ago that this subforum brings hardly any traffic, and as playtin confirms, the overwhelming majority plays nanostakes and sends you 10 emails because his deposit hasn't arrived after 5 minutes cause he doesn't understand blockchain confirmations.
We are actively avoiding this case by having a minimum bet of 1 mBTC and accepting 0 confirmation. Still we had a lot of cases where customers have no clue that 0.0001 BTC is actually 0.1 mBTC and not 1 mBTC.
Look at SatoshiBet's topic, hardly 5 pages, yet we probably are in the top 5 casinos ranked on turnover. Anyway, to conclude, the gambling section of bitcointalk is mostly useless for marketing. To the casinos who use shills to bump their thread all day; you guys have no clue what you're doing.
Now that we wrote this all, I sort of regret spilling the beans. Hopefully no one ever reads it...