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Interested as well, at least for just front roof shade. I'm considering this one from Teslafans/Topfit that I just noticed is being discounted somewhat to $51 for just front, and $120 for both front and rear.
This "Mixsuper" set is interesting. Apparently the rear shade leaves the lower part of the rear glass open, so it doesn't block the rear view. Would be interesting to hear your impressions.