I'm loving these sexy cut out boots from Bebe. It looks like a platform sandal with a spat, but it's all one piece, so you don't have to worry about the spat riding up your leg (which they sometimes do unless there is a strap that goes under your foot). I tried these babies on and my eye was drawn to the sharp, architectural look of the platform and then directly to the unexpected, exposed heel, and I loved the look.
These are Bebe's Venice leather sandal and they have a fierce 5.25 inch heel. Available at Bebe, $164.