Check out

http://www.royalconstrictordesigns.com/

So far Garrick has been very helpful and he has some great prices on breeding projects. All the ones you listed he has so check him out and good luck. If you want to start breeding go for males in the morphs and regular females. You can feed breedable females for around $100 on www.kingsnake.com. But if you want to get into one of them projects check out Royal. I'm looking forward to it myself. Another good website for racks and other things that your bp needs is www.reptilebasics.com!

GOOD LUCK