We get to our DT hotel early afternoon, unpack and hit the ICC for badges, tickets, coupon books, and programs.
Then I suggest walking around and finding the rooms your events are being held in as its much easier to do on Wednesday and you aren't trying to figure it out last minute.
Then just walk around and see what others are doing. Lots of open gaming is happening all over. You might be able to join in.
Check out the beer garden and food trucks outside on Georgia St. for fun.
Finally go back to your hotel at a reasonable time and get a good nights rest.