[Enosh]

"and thus would be a valid relgion, pre-Christ."

Exactly.

I've also seen claims that it is older than Judaism. Much older, in fact. Some say that this is it; the original, Zoroastrianism goes all the way back to Noah, Enoch, even Adam.

Neat!

[MeanWestTexan]

It certainly could be older, in that God showed up on Mt. Sinia circa 1500BC.