It's a nice looking car, but have to echo some of the points raised, i can't see the value of the mondeo going up, maybe some very low mile standard cars. Mods and styling changes over time and what looks good today will look daft in five years time as things move on, it also makes the car very personal so limits the buyers.
If you enjoy the car then I would just try to use it and enjoy it more, having it sat in the garage and never used is pointless. Its not to say it has to be an everydayer but couple of sundays a month during the summer to get it out and stretch it's legs.
I always think the danger in getting a car up to a spotless show winning standard means you almost become afraid to enjoy it in fear of it getting chipped/dirty etc.