cresties are so easy to take care of my 6 year old daughter does it.. They are BLOODY CUTE!!! OMG! sorry had to get that outta me... I'm not sure if Kati of Katiscresteds.com ships out your way but I got Rustee from her our Harliquin, she was great to work with knows her stuff and has some great lookin cresties as well as Garg's..
I'd give ya some sites but everyone gave you the ones I used.. good luck with them...
Make sure you post pics of the cresties and the set-ups if you get any..
Cheers