I don't think the QPF is being underdone on modeling with this. This will drop 1-3" when all said and done for most.
Southern origins with a semi warm-core and huge fetch. This has the makings of a historic storm.
Steady as she goes from my perspective. Not much else to add that hasn't already been said overnight. 12z runs today should be good to start narrowing goalposts.
Look at how the heights curl back on the Euro vs the GFS. It's subtle but would lead to a more amplified SLP and a little bit closer to coast than the GFS.