I love magnetic polish. It lets you do something creative to your nails without all the hassle of busting out glitter and 7 other colors of polish. I also love that you can get away with one coat...it's the prefect thing when you are in a hurry and have to make a polish change.
This is one that I got at Sally Beauty supply for a few bucks. I think it is a great color for fall.
Here it is with flash outside:
And no flash outside: