The only thing that comes close is Puscifer:
http://www.youtube.com/watch?v=LJvvxEs1_pEYes, that's the guy who wrote "Wings For Marie". (Language warning)
I'm assuming you listened to schism and stopped listening... because their songs are average size bro <_<;; Theres only a couple that exceed like 5 minutes.
IIRC there isn't a single song on 10,000 Days that's under 5 minutes. Excluding the intermission and intro tracks, they average about 6 to 12 minutes. But they go by quickly, whatever repetition there might be feels natural and goes pretty unnoticed because of how their songs develop through that time. For example Vicarious is one of the rare Tool songs to have a chorus, and it's only heard 3 times in 7+ minutes, and sung differently each time because the song keeps taking the listener different places.
they have no 'front man'.
That's pretty true, I saw them in concert last year and the singer stayed at the back of the stage the whole time.
