Transcendent Piano Technique

Excessive speed: seemingly sole factor for or rather a colateral damage  inflicted upon  "transcendent" performances/attempts ?

Some interesting reading http://www.pianotechnique.net/AlanFraserInstitute/SaltLakeCity2012/frasers-approach.html and listening, I thought:

Rachmaninov plays his Piano Concerto No.3

http://www.youtube.com/watch?v=oA0kXDMKiLg

Neill Eisenstein plays Liszt Orage

http://www.youtube.com/watch?v=tWvYtfOOjhM&feature=share&list=PL7EB7095F8DF5058D