It is now SOP at our company to make sure that Vapp inserted into the MCDU is minimum 5kts above the PFD fac calculated VLS. Apparently since this change we are seeing far fewer hard landings, this is especially evident on the A321s where our sensed weight is almost always higher than loadsheet.
We were having landings in the A321 close to VLS where the flare didn't seem to do much to arrest ROD.