In no particular order...
Neutral ballet flats via Jcrew.com
I've been looking for a flat black boot for a while and this one is perfect!
A muted and lightweight scarf to carry to help with summer/fall wardrobe crossover.
Penny Loafers are the shoe to have this fall and I love this gray suede one.
I love a crisp demin shirt for the fall. My eye is on this one.
And for a more lady like look, I love this versatile blouse.