Love this set - just purchased! works really well with the rest of the super retro world.
If I can make any suggestions for future work -
MORE CHARCTERS! Your characters (20x16) are some of the best I've seen at this resolution - a wider selection would be brilliant (villagers, nobility, baddies, plus larger animated battlers in proportions of the 16x16 set)
Also - worlds - a fairy world (mushroom houses, puff balls, fairy characters etc), mountains with trolls and rocks, steam punk world with mechs and steel structures, Mines with underground characters, a castle/courtyards/ruins, a sea with boats, sea monsters and underwater realms.
Allows gamers to have a full on real adventure