Large Colubrids that do well in a rack?

[Pampho85]

I'm looking for some large 8 ft+ colubrids that could do well in a rack system, as the title states.

So far these are the ones I have come up with:
Masticophis flagellum (Coachwhip)
Masticophis mentovarius
Elaphe carinata (King Rat)
Orthriophis taeniurus callicyanous (Vietnamese Blue Beauties)
Orthriophis taeniura
Coluber jugulars
Ptyas carinatus (Keelback)
Pseustes sulphureus
Gonyosoma oxycephalum

I'm not sure if the ones I mentioned will do well in a rack system, but any comments would be well appreciated! Also don't know if any of these are reg. found in the hobby either. Other than that, please chip in if you can, thanks!