1. Bach Collegium Japan, Australian Chamber Orchestra (tie)
2. Academy of Ancient Music, Australian Brandenburg Orchestra (tie)
3. Freiburg Barockorchester
4. Akademie für Alte Musik Berlin
5. Le Concert de Nations
6. English Baroque Soloists
7. Orchestra Revolutionnaire et Romantique
8. Concerto Köln
9. The English Concert
10. Berliner Philharmoniker
Hey, ComposerOfAvantGarde, that's cheating - you have 12 in the list!
I think we can all safely assume you like period orchestras best!
I've heard the same piece (Pictures at an...) from Wiener Symphoniker/Dutoit and Budapest Philharmonic Orchestra/Pinchas Steinberg within 2 months. The difference was the conducting, the musicians were excellent.