Danny, There is not that much of a price difference here between the two. I posted links to what Midway is selling them for below. Either way you got a good press that you Great Grand kids will be loading ammo on.
Sam
Rockchucker supreme
http://www.midwayusa.com/viewProduct...tNumber=513567
Redding Big Boss
http://www.midwayusa.com/viewProduct...tNumber=856890