You can check out our gecko care sheet for some info - Leopards are great, I may be getting some cresties once I get my own place beardies are cool too. Jeff would probably know a lot about this and Marla probably does too. Sorry I can't be more help!
this may help for the leps
http://www.leopardgecko.com/emcare.html
this may help for the beardies (also ask JLC about those)
http://www.dachiu.com/care/abeard.html