I'd browse through Fauna Classifieds and Kingsnake Classifieds for a male you like and search the seller on Fauna's Board of Inquiry before purchasing.
http://www.faunaclassifieds.com/foru...play.php?f=499
http://market.kingsnake.com/index.php?cat=32
http://www.faunaclassifieds.com/foru...splay.php?f=13
There are many reputable breeders out there (which I prefer to buy from over the big dealers/companies); you just need to check references.