Once I got past some (sheepishly admitted) operator errors, and one bad unit from Crutchfield, the 2900 has become the best AV piece of equiptment that I have ever owned.
No experience with any of the others on your list, but this 2900 is staggering. I could not be happier.

Axioms; For when you've just Gotta have More Cowbell! 60s 150 350 8s 2is RX-V2500 DVD-C750 2900