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I got the 85 kWh version and skipped out on the pano roof and the jump seats. I don't regret that at all, and I won't miss the pano roof in the spring, summer, fall or winter. I got 19 inch wheels instead of the 21. I really love teh 21s, but just don't see them as really practical given the winters here, the expected life of the tires, decrease in range, etc. If I have some extra cash lying around, I might spring for them in the future.
However, I do wish that I had paid the extra $1500 for the other charger. That was a mistake IMHO. I'll have this car for a while, and I am sure higher amp chargers are going to pop up, and it leaves me the option of getting (and efficiently using) a HPWC in the future should I need it. Hvb is right: Now I have to pay $3500 to get it if I want it.
IMO - the biggest difference between the 19 and 21" wheels aren't the wheel diameter, but the tires. You get summer performance tires with the 21" wheels (Continental ExtremeContact DW or Michelin PS2s if lucky) which will be the biggest change. The 19" tires are already low profile, so if you are looking for more grip, get summer performance tires instead when it's time to replace the stock tires.I got the 19 inch wheels, and wouldn't say I regret it exactly... But... I don't think the expense for the 21s was worth it for me, but having driven for 3 months now, and finding myself enjoying the car and driving much more, er, exuberantly than I ever did in my Accord, I do notice that the 19-inch wheels just don't perform as well as the 21s. Even for my non-performance S85 the 21s do provide an additional degree of handling and stick that the car really benefits from when driven with enthusiasm. So I guess I'd say I find the 21s much higher value for the $$ than what I originally gave them credit for, even if I still wouldn't have spent the cash if buying today.