As for colors here are some of the more rare combinations (and some special order options, some actually unidentified). I'd think about adding some of these on top of the standards:
rosso corsa - sabbia (red - tan)
rosso corsa - nero (red - black)
giallo - nero (yellow - black)
bianco - sabbia (white - tan)
nero - sabbia (black - tan)
nero - crema (black - cream)
'Sabbia' is the yellowish/tan color that's the 'standard tan' interior of Ferraris at the time. 'Crema' is kind of an off-white extremely light tan, think of sand on a beach in the sun. I'm putting all the italian names so you can simply google and the color will come right up.
My suggestions:
argento_metallizzato-sabbia
nero_metallizzato-nero
blu_sera_metallizzato-crema_(dash=nero)
Outlandish combination of flat black with all red interior (carpet, leather, dash)
nero-rosso_(all)
Special order color option
blu_chairo-sabbia
My personal favorite, special order color option (not rosso metallizzato) with saddle brown dash
special_order-sabbia_(dash=cuoio)
Finally a classic red metallic on an all tan interior
rosso_metallizzato-sabbia
*Pumped