Very epic adventure up the S Couloir route. Definitely the most difficult routefinding I have done in the Tetons, particularly on the descent. More route info here would be helpful!
Probably easier than 5.4 -- the hard part was the nightmare bushwhack around the north side of Leigh Lake. Traversed to Moran (4th-5.easy, but loose), then down the Skillet for a fun 11h30 day. Trip report.
This was the third, and ultimately the only, successful attempt on this peak. Summited in bluebird weather with incredible views.