Make sure that you check out Mariano Gomez' post on Dex.ini settings to control the behavior of the sample company. You can remove the opening dialogue box and change that nasty 2017 default date as well.
Fellow MVP Leslie Vail passed along this info from the Technical Airlift and Mariano was kind enough to post it for all of us.
I'll update my old Dex.ini post and add these settings too.