One question we've had since opening up Arcade has been on the selection of available deployments.  The choices that are presented are based upon the most common configurations most customers use.  Now of course, there will always be exceptions and there will be deployment configurations that we don't currently list that people may wish to use.  If you find yourself in that situation, then let us know.  Based upon feedback and popularity we can certainly add more deployment configurations to the list, we just need to know what they are!