I thought maybe by now there was some way to save your amp block settings and drop them back in after the amp model is updated--that I just wasn't using. No?When you reselect an amp the MV, Presence, Depth (and many advanced parameters) are reset to default values. Make note of what they were before and then reset them to those values after reselecting the amp.
I've been making a 2nd block (or Y) un-reset copy with my original settings then and using that as reference for settings and to A/B with when I reset the amp model.
Some kind of snapshot feature that saves (then pastes) everything but the amp model selection would sure be nice!