From the top 300 EM list on IPDB
32. 1968 Royal Guard by Gottlieb 25 ratings: 7.84/10
Audio:7.4 Playfield:8.0 Art:7.7 Fun:8.1
50. 1968 Doozie by Williams 14 ratings: 7.79/10
Audio:7.0 Playfield:7.9 Art:7.4 Fun:8.3
73. 1968 Ding Dong by Williams 10 ratings: 7.74/10
Audio:6.9 Playfield:7.7 Art:7.7 Fun:8.2
93. 1968 Fun Land by Gottlieb 14 ratings: 7.69/10
Audio:7.6 Playfield:7.7 Art:7.6 Fun:7.8
121. 1968 Lady Luck by Williams 19 ratings: 7.60/10
Audio:7.3 Playfield:7.6 Art:7.5 Fun:7.8
161. 1968 Domino by Gottlieb 11 ratings: 7.24/10
Audio:7.8 Playfield:7.2 Art:6.8 Fun:7.2
173. 1968 Spin Wheel by Gottlieb 10 ratings: 7.04/10
Audio:6.8 Playfield:6.8 Art:7.6 Fun:7.0
179. 1968 Paul Bunyan by Gottlieb 11 ratings: 6.93/10
Audio:6.5 Playfield:7.5 Art:6.5 Fun:7.1
note all the Bally's from this list are missing. Very strange ratings, as none of these games are half as fun as Dogies, Gator or Joker. Seriously, Ding Dong is one of the most boring titles of all time. Doozie is the pick of the bunch, but still no where near Dogies or Hayburners II.