"Interiors can be customised to suit individual tastes..."
I'm sure they can!! Personally, pocket the change and buy something a little fun - Lotus Elise perhaps?!
Having said that, if someone is already thinking about purchasing a 911-with-an-identity-crisis-mobile, then go real mad and get a unleaded guzzling, stiff as a nail tuning option- knock yourself (and porbably also your passengers) out!!