Here is a link to a great website, I have personally bought reptiles from these guys, top knotch. They caresheets are detailed and give correct information as alot of people give the bare min for adult housing or say 2 can live in such a sive that is barely big enough for one.
http://www.sundialreptile.com/caresheets.htm
For Crestie and Gargoyle gecko sheets, the best ones I have found at
http://www.pangeareptile.com/id52.htm
Melissa Kaplan has a great website also, and alot of "other lizard" species care information.
http://www.anapsid.org/mainlizards.html
Hopefully that will help a bit