Directory Featured Listings Feature

Are there any plans to add 'Featured Listings' to the Directory plugin?

It would be great if featured listings would show up at the top of search and category results by default.

The ability to make featured listings stand out via custom CSS would be equally cool.

Ideally a solution like this would allow up to 3 options at sign-up:
1.) Free
2.) Basic - Paid
3.) Featured - Paid

Allowing users to easily upgrade from a Basic to a Featured listing from the front-end admin area would be a bonus too.

Hope you will take this feature request under consideration if it hasn't already been added to the list. Great job on this plugin!

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