Export Movie Dialog - Ability to select bitrate for h264 (+ presets?)

Hello,

I love the export movie dialog for the convenience, but not having an option for the bitrate limits its use (8000 is too low a lot of time for h264), it would be great to have the options found on the movie out TOP (at least bitrate)

And even better the ability to save/load encoding presets, à la Adobe Media Encoder and co - and maybe those could be shared with the movie out TOP as well? but that feels more involved.

Thank you!