Just a warning - I got the Mush Atoll Ankle Boots in size 6 (I fit 5.5-6 normally) last time they were on Woot, and it is a tad tight in the stitching part that goes right over the top part of my foot.
For reference - measured from flat ground to the top of my foot is about 3 inches. This is measured at the center of my foot where the arch is (about where your ankle starts to "bend" into your foot). If your's is any higher than that and you plan to get a size 6, it will definitely be too tight and unwearable. I haven't yet decided to try to stretch them or just resell them on eBay.
It's too bad because the sole is quite comfy and they would otherwise be a perfect fit.