I load Cheddite hulls the same way I load the green Remington hulls. That said, I’ve only ever tested the Remington hulls, so caveat emptor.
If using Bluedot, bump up your payload a bit to 1 3/8 oz. Here is my Bluedot load:
http://parkerguns.org/forums/showthread.php?t=23363
Lead or bismuth. Makes little to no difference. (I’ve done the testing to prove.)
-Victor