What would knock Tradovate out of the park for me would be this:
An audible alert that I could set for orders of a certain size or larger on a given market. For example, when an order of 100 contracts of more is filled, it announces “Large Order, MES.” So, similar to the volume filter feature, but with a wave file. That way I can keep my eyes more focused on other things on the chart. Especially, valuable when trading multiple markets.
Everyone here trading order flow has to agree this feature would be the chasizzle. 