I wonder whether one will be able to transfer STEEM from Binance to the Steem blockchain. Last time I've tried that with Poloniex it didn't work, have a ticket with them (and two trial STEEM transactions pending). So if I still need blocktrades.us when I want to power up then all Binance is going to offer is active trading which is good for them (transaction fees) and bad for the dedicated community because it will increase volatility and the price will be subject to pump-and-dumps.
It's probably ok to say that I have mixed feelings about this listing, let's see