IMO calling an "Enchi Pastel" a regular pastel is in and of itself a crime! Have had this argument before against a few big breeders, and no one seems to agree so maybe I'm wrong, but my eyes tell me I'm right!
First off, here is a pic of one: http://sweball.com/snakes/16large.jpg
Secondly, here is the link to another post about enchis over at RDR Forums: http://www.ralphdavisreptiles.com/forums/topic.asp?TOPIC_ID=4843&whichpage=3&SearchTerms=enchi
My post there is about 1/3 of the way down the page, and sums up most of my points, although no one there addressed the points I brought up.
In summary, just in case you don't want to go to that page, or can't, basically what I was saying is that Enchi's are a patter/color mutation and thus are ruled out as a normal pastel. The only way to prove it either way though is to get both reg pastel trait, and enchi within same animal(need to ask if this animal looks like a super pastel as well, if it doesn't then most likely they are different locations), then breed that out and see if you get enchi's and pastels, or just pastels.
Fascinating argument, and all we can do for now is dispute back and forth, and wait for the breedings to prove it either way, exciting for sure!
-Dan