Caimlas both presses are excellent choices for a single stage press. I prefer the Rock Chucker because that is what I grew up with and from the previous post their I would say 99% is personal preference rather then fact. The following statements need data to back up their claim which I don't believe exists:
I have owned a Lee Load Master and I can tell you from personal experience Lee customer service is just as good as RCBS. The bottom line is regardless which press you buy you're not going to be sorry!
The rockchucker is about ten times stronger & sturdier than you'd need to load any rifle round.
The lee, by comparison, is only five times stronger and sturdier then you'd need to load any rifle round
I have owned a Lee Load Master and I can tell you from personal experience Lee customer service is just as good as RCBS. The bottom line is regardless which press you buy you're not going to be sorry!