Now that we have NextGen leather at +$2500, "regular" leather at $1750, and textile (so far black only), what options do people who want something else have? There must be after-market seat options by now? Specifically, I'm wondering if anyone has purchased a Model S with textile and then purchased after-market seats in another color, such as dark red leather, or whatever. Experiences and cost? Also, could someone please post a photo of back seat with armrests lowered? Can't find one online.