I am wondering how long it takes to see the enhanced search results after a feed
has been picked up.

We were looking at the documentation and it specifically stated that
====================
[Note] Note

RDFa support is not currently available. This will become available
when the specification has stabilized in the community.
====================

I am wondering if it is now supported? And also and more importantly...why the
indexed pages are not being shown with the new
format.

Do we need to use all of the formats to be recognized? Or does more
mean higher recognition?

Any Help is greatly appreciated.

Thanks!