You don't need to remove the plate to remove / replace the stabs... Just the switch that sits between them. On some plate designs you don't even need to remove that switch. IMHO, clipped Cherry PCB stabs feel better than stock Costar stabs and are a lot less hassle when swapping caps.
You're thinking of Cherry plate mount stabilisers. For PCB ones you have to completely desolder unless you're using a plate that has large cutouts surrounding stabilised keys or you're not using a plate at all.
Ah yeah, the NerD60 plate does need a full desolder.... yeck. The Hammer 60% aluminium one from imsto doesn't... I speak from experience. It's awkward, but can be done.
The keyboard is usable and I'm getting used to it after a day at work but it's damned annoying.
After thinking about it I'm really not sure what I'm going to do with them, the screws used are getting very worn and I don't have any spares so taking it apart again is going to be a pain.
I'll take another look at the board over the weekend.
Add orings so you don't get to the mushy bottom-out point?
A full desolder is unavoidable it seems. Perhaps you can do some more mods to the switches at the same time (stickers, different springs maybe?) so it doesn't seem like so much work for so little reason.