The 500 mount shouldn't look all that special

[Näamah-ragnaros]

you shouldn’t ask for the reward to be simple, just a recolor. Instead if you feel that the goal is too far away, maybe you should ask for bad luck mechanics, better drop rates:

I just did a post that could bring more mounts to everyone, that’ll be more +1 for the big achievement.

Feedback: Outdated Mount Achievement Goals

Mount Collectors have an outdated achievement path compared to pet collectors and other collections, A new way to collect mounts: During the last interview with MrGm, Ion mentioned issues between Mount achievements frequency and removed, promotional content due to new players perception. Players have an outdated goal based on the +1 mount goal, 400,500,600…etc So, maybe Devs could also add a “new” dynamic (It was already used but forgotten) to the game: Raiding with Leashes achievements …