I've had a Warco VMC for several years and have found the following mods very useful
DRO essential in my opinion
6" head raising block. 4" probably all that's required
Spindle lock to make tool changes easier
Draw bar release tool
Inverter Drive very useful.
Problems;
Original machine travel specs. did not match catalogue
Table soft easily marked
One shot oiler not very good some points over oiled other starved of oil.
Would be useful if Y axis travel was greater.
Steve T