Should I name names?
When a "great pianist" plays really fast because he preferes the certain intepretation and not because of technical insufficiency , then it is ok with me - In fact i tend to prefere those fast, passionate approaches to musical pieces, like Martha Argerich does..For example, on the time being I am practicing Schumann's Second Sonata in G minor and Argerich's intepretation on this is really fast , but that's what Schumann suggests! and notice how beautifully legato and musical are the technically demanding octave parts..and notice also how she's in complete control of what she's doing - her sforzandi, her "deep" sound at the chords, the melodic lines at the left hand - everything is there and the really fast tempo does not ruin it - instead it emphasizes it.. where us, when i heard Klara Wurtz's recordings of schumann(who is supposed to have a unique sensitivity) i was not that thrilled...i don't know, maybe i m wrong, but it seemed to me (in the fast parts, not in the "lyrical" ones)that she was having difficulty with the octaves - and though she plays at a slower tempo that Argerich, the melodic lines are not clear and the "dynamic spectrum"(p and f) not so evident..I just wanted to give a specific example to show that really fast tempo does not necessarily mean luck of musicality..
just name Lang Lang and Kissin.. Have anyone heard his (Kissin's) Rage over a lost penny on youtube?? Isn't that just too damn fast but in the same time too amazing?