I have both, and as pretty as cresteds are, I think leopards are easier to keep and in general are more friendly/easier to handle. just my opinion 
-----
Welcome to kingsnake.com's message board system. Here you may share and discuss information with others about your favorite reptile and amphibian related topics such as care and feeding, caging requirements, permits and licenses, and more. Launched in 1997, the kingsnake.com message board system is one of the oldest and largest systems on the internet.
I have both, and as pretty as cresteds are, I think leopards are easier to keep and in general are more friendly/easier to handle. just my opinion 
-----
Help, tips & resources quick links
Manage your user and advertising accounts
Advertising and services purchase quick links