I just bought this belt clip carrying case for my Milestone. It fits my Milestone with the Otter Box case perfectly. All leather and the price includes shipping. When I ordered mine it was $7.99, but now I see it is listed for $12.99. Still an outstanding case for the money.
Universal Leather Horizontal Pouch w/ Magnetic Closure and Belt Clip for Evo 4G, Windows Phone 7 Sizes, Droid X Sized Phones - Black (PUTXL) - Free Shipping.