Just created and posted a new ProWorks Redirect Page package for Umbraco on the Our.Umbraco.com package repository:
ProWorks Redirect Page v1.03
****** UPDATE: ******
The dll now supports 301 Redirects. After installing the new dll, you will need to refresh your Macro parameters. There is a new property on the UserControl called “Is301Redirect”. If true, then the redirect [...]