So if they already added Ti to indicate it is faster than regular 750... yet they don't want to go to 755 or 760 for the next fastest card what do you think they will call it? If you are the marketing guy and your boss comes to you with those requirements you honestly think there is no chance they would look back at the previous gen and think Boost could work?
Do you really not see that being a possibility? If I see a 750Ti and a 750Ti Boost Edition for sale I immediately know boost is faster... isn't that the entire point of GPU naming schemes?