There are numerous posts on these guys and this exact topic. There are basically two methods that have worked. My eggs are from a WC female so I am doing the diapause method. http://www.chameleonnews.com/?page=article&id=47
There are others on here though that are going with the constent temp methods for the entire duration.
I have been getting answers from 6 to 9 months as far as incuabtion time goes.