That sounds great. I've also read about tumbling media that is little rods with angle-cut ends. I'd think the rods would be more effective than the beads.
Frankly, I've had really great results with treated walnut shell, and except for finding something that does a bit better a job on primer pockets, I'm happy with it.
"Those who have long enjoyed privileges as we enjoy, forget, in time, that men have died to win them."
Franklin D. Roosvelt