I feel like this thread is dying and I feel like this whole forum is dying, but whatever -
My verdict on the black bibs - I don't really like them. They have kind of a weird overabundance of chamois/padding sorta towards the front crotchal region and I find it tends to get really bound up when my legs are moving which creates some pretty annoying discomfort. They also fit a little too tight, even when I sized up. I was really optimistic they would be great and I figured the thick chamois would be a delight on long rides, but it doesn't feel any more comfortable sitting on the saddle compared to my cheaper Santic bibs, and the aforementioned too-much-material problem starts to make itself known almost immediately. It's very unlikely I would buy another pair and I can't really recommend them.
The Ortlieb quick rack is fantastic though. Looks great, works even better. It worked perfectly on my bikepacking trip too. Overall I'm a big fan of this thing. Just ordered the snap-on mudguard that goes with it.
Finally setup my 700c gravel wheels/tires tubeless. Noticeable difference in terms of rolling resistance, particularly at lower PSI. Also I cannot believe how much faster the Pirelli Centurato Ms (700x40) feel compared to the Rene Herse Juniper Ridges (650bx47) I keep for chunky rides - it's like going from a road bike to a mountain bike. To be honest, I don't even feel the Pirelli's give up much off road either. They obviously aren't as supple, but traction doesn't seem much different between the two. So far they are my favorite gravel tire.