Access-based enumeration! is awesome

Ok so I have been meaning to turn this feature on, bascially it only lets people see folders that they have access to! Very nice if you have a ton of folders inside a share! Get it here http://www.microsoft.com/downloads/details.aspx?FamilyID=04a563d9-78d9-4342-a485-b030ac442084&DisplayLang=en