You now have the ability to change Portal Users account status and reset their Password. If you mouse over your name in the upper right hand corner and then click on Account. Then Mouse over your Organization's Name in the upper right corner then Users and click Portal Users.
Here you will see a grid of all your Portal Users. If you click on their status a prompt will come up allowing you to change it. Your options are, Pending, Active, Deleted and Suspended. You can also now reset a Portal Users Password.