Hi Elliott! These are the major ones:
Google Analytics data is the first direct benefit, which all Elite authors unlock as soon as they hit the $75k milestone.
Upload limits: More detail on these is available in Matt’s post here, but from a TF perspective it lets you have up to five Wordpress themes in the review queue at once.
Express review queue: Originally introduced as our $2M Elite reward, this is currently available to all Power Elite ($1M+) authors. You can read a bit more about the reasons for introducing this here.
Automatic approval of item updates: This one is definitely NOT Elite-specific, as it’s automatically assigned (or revoked) based on quality-related criteria determined by our Content Operations team. Not all people with access to this feature are Elites, and not all Elites have access to it.
Hope that helps