While I like the events and using event currency / crafting to acquire new items, it does make me wonder ... I continue to earn standard game currency for all kinds of activities, and I can continue to spend it on the same old stuff, but I've already purchased every last thing available for standard game currency that I want.
Now I'm simply banking it and wondering how long it will take to get to a billion. For what it's worth, I don't house/xp farm, am not making any actual effort to make money, just letting it add up in it's own inevitable and organic manner.