Welcome Scott! I like the use of space in your shop as well as the shop itself. Unfortunately after you think it through that is something you are going to have to decide on based on what you will be making. Here's a link to a Rockler Top that may give you an idea.
Most people have a fence for the miter saw which makes clamping a lot easier. I would look at adding a fence rather than t-tracks. You may have an issue cutting a large piece on your table saw with the miter saws location. Their is plenty of space for the t-tracks. Keep in mind you may want to add more tracks later on.