I am running 2.1 with LDAP authorization.  In order to get user homes to show up in the "User Homes" space, I did the following (rather than change to the personalHomeFolderProvider).
1. in ldap-authentication-context.xml:
    <property name="attributeDefaults">
            <map>
                <entry key="cm:homeFolderProvider">
                    <value>userHomesHomeFolderProvider</value>
                </entry>
            </map>
        </property>
2.  in the unzipped alfresco.war, I modified the WEB-INF/classes/alfresco/authentication-services-context.xml file:
   <bean name="homeFolderManager" class="org.alfresco.repo.security.person.HomeFolderManager">
        <property name="nodeService">
            <ref bean="nodeService" />
        </property>
        <property name="policyComponent">
            <ref bean="policyComponent" />
        </property>
        <property name="defaultProvider">
            <ref bean="userHomesHomeFolderProvider" />
        </property>
    </bean>
I hadn't seen anyone else post that second piece, and I believe it was required in our environment.