I like the idea of painting the shutters and garage door black....I like that color combo!

The brick doesn't bother me, but do NOT paint it white, painted white bricks are so hideous and buyers will not appreciate. If they don't like white bricks, its much harder to go back to original. If they don't like original bricks, its easy to change it themselves!

As for a stone facade, I think its a great option, but I don't care for the stacked stone....in my area, thats on a lot of the older homes and it isn't that appealing to me (especially with your siding). I'd go for something more like this: