Seasonal Events - more substance in the future?

First off I'm not out right complaining about the seasonal events so far as I've enjoyed them and their cheery brand of wimsy, but I'd like to see a little more depth to them in the future.
More then the current re-skinning of the city states and seasonal gear to collect, and the FATE grinds to collect items.

How about extended side-quest chains (across different Levels and regions like the FFXIII event) and a special seasonal dungeon relating to that quest chain and themed to the season/event, in addition to the costumes, FATES and re-decorating we have so far.

Now that most of the major bugs are worked out of the game the dev team might be able to spend a little more time/thought on these things.

I remember XIV's first event. Ring bell, complete, was awesome.

Valentines Day event from last year was funny
http://www.youtube.com/watch?v=4NCG56mGFUs

Silly NPC who bring people to kiss each other ^^