Thanks Erizo, Digger! Every bit helps!
I'm mostly interested in the effects of the different rake systems at the lowest levels but since I'm collating data I might as well collect 25NL-200NL.
The different rake systems at FT and PS (primarily 99c effect)
could have a significant impact on lower levels but is unlikely to cause much difference at 25NL and above. Still, I am interested in how much the rake cap impacts the effective rake at higher levels (25NL and above).
On a related topic, a while back I asked for VPP rates at various NLHE stakes. Here is a graph of that data.
As you can see from this graph, 200NL seems to be a turning point for VPP production.