I wouldn't be too worried about this as modern engines today are run in the engine plant. For the amount of time its probably driven hard shouldn't make much of a difference.
As for buying a FiST with non Recaro seats I would personally advise against this because a FiST with Recaro seat will have better resale and be more popular. It's sort of like people that buy sports cars with automatic transmissions, they seem to have a harder time selling the car.