Hi Michael,  I spoke with Brent - give him a call at 734-973-9004 and he would be happy to take a look at your 910 and see what they can do to optimize your club and make sure you are getting the most out of your new driver.

If you did want to purchase…

Rickie Fowler does all of the paint filling himself.

It was in a article somewhere that he does all of them to change to match what he is wearing.  I am not sure what he uses to do this.

Anytime something is changed in the specs it will change something about the measureable spec in the club - swing weight, flex, ....but the key word here is " significant" -- will it make a significant change in BALL FLIGHT! With all the details we now…

I would say it's very conceivable.  Trust your pro!

It depends on the clubmaker, but I suspect using Titleist could save you money.