There was a guy at the last Denver snake show that was selling males. He was from out of state but I heard later from his neighbor at the show that he might be moving here. Not sure if he could be persuaded to sell females yet but eventually they'll get here. I know a guy I could get females from in Eastern SD but it's too far a drive for me.
It sounds like some lines are more docile than others so you also might want to shop around for that but right now maybe beggars can't be choosers.
If you do find a place to get pairs in Colorado let me know please!
snakemorphs@comcast.net