We don't use copper wiring in my house. We use only gold since it is a better conductor and just simply has superior physical properties 
No seriously, it's not going to be "$100 more upgrade"... it might cost $800 more to go titanium, maybe even $1500. Because it's not being mass produced, cost greatly goes up.
So would some of you really be willing to pay $1000 to go from aluminum to titanium?
Anyways, as I said - it likely will be Duralumin (Samsung Series 9 spacecraft pew pew alloy)
No seriously, it's not going to be "$100 more upgrade"... it might cost $800 more to go titanium, maybe even $1500. Because it's not being mass produced, cost greatly goes up.
So would some of you really be willing to pay $1000 to go from aluminum to titanium?
Anyways, as I said - it likely will be Duralumin (Samsung Series 9 spacecraft pew pew alloy)