Pogrebinsky/Benoit are going senior next season: http://www.ice-dance.com/site/pogrebinsky-benoit-set-their-sights-on-long-term-goals/
He's exciting to watch, but I disagree that he has everything. He does not have consistency.
The ISU rule can be met by having the skater compete in a Challenge (for Seniors) or an International B competition (for Seniors/Juniors). If Nathan had not been injured in the Nationals Exhibition, he would have done an International B before Worlds.
Pogrebinsky/Benoit are going senior next season: http://www.ice-dance.com/site/pogrebinsky-benoit-set-their-sights-on-long-term-goals/