Quote from rchicago:
No fills without mkt confirmation. Orders entered into the mkt automatically populate at the designated price level without confirmation from the exchange. Confirmation comes within milliseconds but to the user it looks faster then front ends that display real time.
I see what you're saying...
you're saying that on an md trader window, it looks like the order is resting in the market before it's actually been confirmed by the exchange and that it might be misleading and appear that order entry is faster than it actually is. I guess you're saying that other front ends don't show the order until it's confirmed?
Personally i prefer seeing the screen show the order that i just clicked so i get the feedback right away of where i have an order resting, but i understand your point.
If I am understanding you correctly then i agree that for a fair comparison it would be better to look at audit trails and compare timestamps if you are trying to compare the speed of two vendor's screens.