hey pat
i have heard several of those cushcraft yagis on 6 meters and they do okay
guess it all depends on what you want to do with the antennas if you
want to do SSB on 2 and 440 then the log would do you better cause you
can have them all horizontally polarized
if you want to use VHF/UHF for FM and SSB on 6 i would suggest getting
the yagi
now if you want to do FM on 6 i would suggest getting the comet GP15
which covers 6-2-440 for FM and get the Log for SSB
good luck