Saison DuPont
Schneider+Sons Aventinus
Ola Dubh (especially from calvados casks)
Hair of the Dog Fred from the Wood
Westmalle Tripel
Lots more that are up there but aren't available widely so nobody would have tried them for comparison.
Honorable mentions: Logsdon Seizoen Bretta, Deschutes Mirror Pond, Upright 7, Scaldis Noel, St Bernardus Noel, Chimay Grande Reserve, Rodenbach Grand Cru.
Schneider+Sons Aventinus
Ola Dubh (especially from calvados casks)
Hair of the Dog Fred from the Wood
Westmalle Tripel
Lots more that are up there but aren't available widely so nobody would have tried them for comparison.
Honorable mentions: Logsdon Seizoen Bretta, Deschutes Mirror Pond, Upright 7, Scaldis Noel, St Bernardus Noel, Chimay Grande Reserve, Rodenbach Grand Cru.