Thanks JFP.
I filled my tank with gas that has Techron, and added some injector cleaner, then drove it hard a few times (hit 7K RPMs a few times) that seem to help a little. Here is a snapshot of Bank 1 (no appearance of issues):
And here are a few snapshots of Bank 2:
It seems the catalytic converter on bank 2 is starting to go... Woe is me...