found the coolest web site on chin colorings!

[Floluvschins]

I'm not sure on how accurate this is. but it seems like a pretty good guide line to go by. i am sure allot of you have probally already found this site but i found it so cool! 
http://www.silverfallchinchilla.com/genetics/ChinCrossCalculator.aspx

[chinchilla.nikki]

Your are right--it is a neat site to go to & play with putting different colors in to see what the results will be (maybe). From my understanding, it is fairly accurate, but we all know that our chinnies are full of surprises.  There may be a hidden genetic somewhere that will totally fool you.    Another site that I like just to see mutations with good descriptions is   
                          www.sunsetchinchillas.com   Click on colors in the left-hand column & then on pictures at the top of the page.