I have the BioSkin Trilok ankle brace and really like it. I tried the McDavid and the ASO EVO models at a sporting goods store and wasn't impressed. I did some research online and found some recommendations for the Trilok. The Trilok works great for me and I wear it every time I play. Consequently one of its three pieces is starting to show some wear and I will probably have to replace the whole thing about every 2 years.
I didn't buy mine here but that is the price I paid: