no... this is the client to use
v6 is being discontinued
and FAH GPU tracker will have no future support (it runs on v6)
you PPD will vary
in an ideal situation you'd use 7 day avg
but since you want to join the contest you'd probably take a couple of days of PPD
then avg them and leave a margin for Lower PPD work units (because you could be getting High PPD WU's)