[tom406]

What they said. Do everything you can to document the interior as being original, then have some matching replacement seat covers stitched up. Post some pics of the original (or at least current) interior and let the opinions pile up. I'd keep the deluxe interior, especially in an SS/RS convert. Standard interiors are just so lackluster compared to the Deluxe ones, and I think white standard is about the starkest looking one available in standard. If you can document that the interior is a special one-off, that would really be icing on the cake.