I have just tried installing Project and Viso, everything is ok.
Note: Project/Visio is not available in some regions so please use <Language ID="en-us" /> in your config.
<Configuration>
<Add OfficeClientEdition="32">
<Product ID="VisioProRetail">
<Language ID="en-us" />
</Product>
</Add>
<Display Level="Full" AcceptEULA="TRUE" />
</Configuration>
and
<Configuration>
<Add OfficeClientEdition="32">
<Product ID="ProjectProRetail">
<Language ID="en-us" />
</Product>
</Add>
<Display Level="Full" AcceptEULA="TRUE" />
</Configuration>