The base wheels or the turbine style? They should offer dork disc wheels. Has anybody done testing on the wheels' aerodynamics?
"Range decreases slightly with larger wheels. 21" wheels have more contact with the road and are made of stickier rubber. Both characteristics increase friction." Taken from Tesla's website.
Tesla used to offer these Aero wheels. Though as far as I can gather they don't sell them anymore. But perhaps someone is willing to sell you a set if you post in the Marketplace/Want to buy section here on TMC... Image credit: DrGuest (TMC alias) You can find a larger, higher definition version of this image (as well as more images) here: Aero wheels - Post #533 | TMC (And more images still in the rest of that thread.)
Can you order new ones from the factory (in Italy?) from the service centre? In that case I would order a set without the paint. Then I would powder coat (or some such) those wheels in some gun metal finish. That way I wouldn't get that IMO unpreferable dark grey contrasting polished aluminum look.
I know I would have been dissappointed beyond belief if Tesla had tried to give me those for my winter tires last year. I would have refused to take them. I think at lot of those who got them will gladly trade for a regular 19" or sell i cheaply? I know a lot of these were delivered late last year to Norway since many people had orderer factory winter wheels with their cars and it was on back-order.