How Gammalite gets above Poppy is beyond me! They raced at the same time and Poppy is way better.
Mr Feelgood, really? He has won two of the big GC circuit races but so have plenty others. Recent bias there imo.
Otherwise its a futile exercise comparing the greats of different eras. Eg I could have posted where is Christian Cullen or Koala King or Double Identity but its a silly procedure imo.
If you wanted to do the list based on the horses major victories well here is a Grand Circuit list. http://www.harness.org.au/grandcirc/agc_rwonp.htm