It is, for post payouts I would recommend 50:50 at the moment. When you get paid you will see your account get some Steem Power and some Steem Dollars (if your post got some money)
You should then convert your Steem Dollars to either Steem or Steem Power to maximize the value of the payout of your post. Here is a link from some time back where I explain the difference between the 3 forms of Steem which you may find useful