A few more thoughts on memory:
Increasing Speed
I realized that since I don't know how to encode 0 to 99 with the Pridmore System I can continue to use the Dominic System for numbers 00 to 99, and slowly work in the 3-digit chunking as I learn it to see if it is faster for me. If not, I won't lose anything by overwriting my current system.
I'm still a relative beginner, but it seems like there are four stages in memorizing large sets of data, all of which happen extremely quickly: