I have one each of a KSB and a Rosy. Here are some great links that I used.

Rosys:
http://www.rosyboa.com/desertboas/caresheet.html
http://www.localityrosys.com/husbandry_propogation.php
Only word of caution on these is they can't take high humidity. at about 60% (maybe even less) they can develop skin problems.


KSB's:
http://www.vpi.com/publications/keny...ation_and_care
http://www.anapsid.org/kenyan.html

KingSnake.com also has them.

Good luck and enjoy them.